BLUELAB DESIGN LIMITED

Chemicals used in industry; industrial chemicals; chemical preparations for use in industry; chemicals for use in agriculture, horticulture and forestry except fungicides, herbicides, insecticides and parasiticides; chemicals for use in aquaculture, aquaponics, hydroponics and floriculture; chemicals for use in industry, science and photography; buffers being chemicals used in analytical chemistry; buffer solutions used in analytical chemistry for scientific purposes; buffer solutions for use in analytical chemistry; standard solutions for use in analytical chemistry; conductivity standard solutions used in analytical chemistry; calibration solutions, namely for calibrating pH; calibration fluids, namely for calibrating pH; potassium chloride solutions for use in laboratory and scientific applications; chemical preparations for scientific purposes; chemical reagents, other than for medical or veterinary purposes; reagents for use in scientific apparatus for chemical analyses; reagents for scientific or medical research use; reagents for research purposes; reagents for use in scientific apparatus for chemical or biological analysis; diagnostic preparations, other than for medical or veterinary purposes; chemical products for preserving laboratory equipment during storage; inorganic acids; biological preparations for use in industry and science; biological preparations for use in cell cultures, other than for medical or veterinary purposes; silicon; fertilizers; standard solutions used in analytical chemistry; refillable reference electrolyte, namely, electrolytic acid copper solutions | Electrical conductivity measuring devices for use with water and aqueous solutions, as well as structural parts therefor; electrical conductivity measuring devices for use with soil, as well as structural parts therefor; electrical conductivity measuring devices for use in crop management; pH measuring devices namely, pH meters for use with water or aqueous solutions and soil, as well as structural parts therefor, namely, probe tips, probe cells, double junction probe cells, calibration free probes, single use probes, standard solutions, replaceable reference junctions and probe cleaning laboratory instruments; devices for measuring, monitoring, and logging the physical parameters of water or aqueous solutions and soil, namely, conductivity meters, pH meters, ORP (oxidation reduction potential) meters, redox meters, dissolved oxygen meters, moisture meters, ion selective meters, chlorine meters, portable and fixed meters capable of receiving, remotely receiving and logging data information from the foresaid probes and sensors; Electronic control devices for monitoring water or aqueous solutions and soil and for controlling the dosing of additives thereto; Electronic control devices monitoring water or aqueous solutions and soil and for controlling equipment maintaining monitored characteristics of the water or aqueous solution and soil within defined limits namely, conductivity controllers, pH controllers, ORP (oxidation reduction potential) controllers, redox controllers, dissolved oxygen controllers, moisture controllers, Ion selective controllers, chlorine controllers, fixed devices receiving data from the probes and sensors initiating control of the water or aqueous solutions and soil; temperature sensors and meters not for medical use; electronic controllers for water heating elements; solenoid valves; ph meters; digital ph meters; ph measuring device for soil; meters for measuring alkalinity; meters for measuring nutrient content; meters for measuring temperature not for medical use; measuring apparatus, devices and instruments namely, digitizers; conductivity meters being scientific measuring instruments; power switches; controlled mains switching box in the nature of electrical switches; electronic power controllers for use with power converters; electrical power distribution units; power distribution systems, namely, power distribution panels; electric power supply units; electric switch boxes; switch boxes; downloadable computer software for remote measuring, monitoring and analysis of nutrient solution levels; wireless controllers for the remote measuring, monitoring and controlling of nutrient solution levels; wireless data receivers; downloadable computer software for data logging the pH, conductivity and temperature of water or aqueous solutions and soil; apparatus within this class for dosing water with additives, namely, dispensers of preset portions of fluids, solid granules and powder for dosing purposes, all not for medical use as well as structural parts therefor; automatic and semi-automatic dosing systems comprising electric motor control units for introducing additives to water in pools and spas; automatic and semi-automatic dosing systems for introducing additives to water supplies for horticultural or agricultural use; automatic and semi-automatic dosing systems comprising electric motor control units for introducing additives to water supplies for use in aquaculture, aquaponics, hydroponics and floriculture | Water conditioning units, as well as structural parts therefor; apparatus for treating water, namely, water filtration units, as well as structural parts therefor; water supply and water treatment units, consisting of peristaltic pumps and valves; level controlling valves, namely, metered valves for dosing water to maintain the quality of the water within defined limits; valves, namely, metered valves for controlling fluid flow; controllers for water heating devices, namely, thermostatic valves | Wholesale and retail store services featuring chemicals used in industry, industrial chemicals, chemical preparations for use in industry, chemicals for use in agriculture, horticulture and forestry, chemicals for use in aquaculture, aquaponics, hydroponics and floriculture, chemicals for use in industry, science and photography, buffers as chemicals, buffer solutions for scientific purposes, buffer solutions for use in analytical chemistry, standard solutions for use in analytical chemistry, conductivity standard solutions, calibration solutions, calibration fluids, potassium chloride solutions, chemical preparations for scientific purposes, chemical reagents other than for medical or veterinary purposes, reagents for chemical analyses, reagents for scientific or medical research use, reagents for research purposes, reagents for use in scientific apparatus for chemical or biological analysis, diagnostic preparations other than for medical or veterinary purposes, chemical products for preserving products during storage, acids, biological preparations for use in industry and science, biological preparations other than for medical or veterinary purposes, silicon, fertilizers, electrical conductivity measuring devices for use with soil as well as parts and accessories therefor, electrical conductivity measuring devices for use in crop management, pH measuring devices for use with water or aqueous solutions and soil, as well as probe tips, probe cells, double junction probe cells, calibration free probes, single use probes, standard solutions, replaceable reference junctions, refillable reference electrolyte, probe cleaning tools; wholesale and retail store services featuring devices for measuring, monitoring, or logging the physical parameters of water or aqueous solutions and soil such as conductivity meters, pH meters, ORP (oxidation reduction potential) meters, redox meters, dissolved oxygen meters, moisture meters, ion selective meters, chlorine meters, portable and fixed meters capable of receiving, remotely receiving and logging data information from the foresaid probes and sensors, control devices for monitoring water or aqueous solutions and soil and for controlling the dosing of additives thereto; wholesale and retail store services featuring control devices monitoring water or aqueous solutions and soil and for controlling equipment maintaining monitored characteristics of the water or aqueous solution and soil within defined limits such as conductivity controllers, pH controllers, ORP (oxidation reduction potential) controllers, redox controllers, dissolved oxygen controllers, moisture controllers, Ion selective controllers, chlorine controllers, fixed devices receiving data from the probes and sensors initiating control of the water or aqueous solutions and soil; wholesale and retail store services featuring temperature sensors and meters, electronic controllers for water heating elements, solenoid valves, ph meters, digital ph meters, ph measuring device for soil, meters for measuring alkalinity, meters for measuring nutrient content, meters for measuring temperature, measuring apparatus, devices and instruments, conductivity meters being scientific measuring instruments, power switches, controlled mains switching box, electronic power controllers, electrical power distribution units, power distribution systems, electric power supply units, downloadable computer software for remote measuring, monitoring and analysis, wireless controllers for the remote measuring, monitoring and controlling of nutrient solution levels, wireless data receivers; wholesale and retail store services featuring computer software for data logging the pH, conductivity and temperature of water or aqueous solutions and soil; wholesale and retail store services featuring water conditioning apparatus, as well as parts and accessories therefor, apparatus for treating water, as well as parts and accessories therefor, apparatus for dosing water with additives, as well as parts and accessories therefor, peristaltic pumps for use in water supply and treatment, metering and dosing apparatus for dosing water to maintain the quality of the water within defined limits, automatic and semi-automatic dosing systems for introducing additives to water in pools and spas, automatic and semi-automatic dosing systems for introducing additives to water supplies for horticultural or agricultural use, automatic and semi-automatic dosing systems for introducing additives to water supplies for use in aquaculture, aquaponics, hydroponics and floriculture, valves for controlling fluid flow, controllers for water heating devices

Chemicals used in industry; industrial chemicals; chemical preparations for use in industry; chemicals for use in agriculture, horticulture and forestry except fungicides, herbicides, insecticides and parasiticides; chemicals for use in aquaculture, aquaponics, hydroponics and floriculture; chemicals for use in industry, science and photography; buffers being chemicals used in analytical chemistry; buffer solutions used in analytical chemistry for scientific purposes; buffer solutions for use in analytical chemistry; standard solutions for use in analytical chemistry; conductivity standard solutions used in analytical chemistry; calibration solutions, namely for calibrating pH; calibration fluids, namely for calibrating pH; potassium chloride solutions for use in laboratory and scientific applications; chemical preparations for scientific purposes; chemical reagents, other than for medical or veterinary purposes; reagents for use in scientific apparatus for chemical analyses; reagents for scientific or medical research use; reagents for research purposes; reagents for use in scientific apparatus for chemical or biological analysis; diagnostic preparations, other than for medical or veterinary purposes; chemical products for preserving laboratory equipment during storage; inorganic acids; biological preparations for use in industry and science; biological preparations for use in cell cultures, other than for medical or veterinary purposes; silicon; fertilizers; standard solutions used in analytical chemistry; refillable reference electrolyte, namely, electrolytic acid copper solutions | Electrical conductivity measuring devices for use with water and aqueous solutions, as well as structural parts therefor; electrical conductivity measuring devices for use with soil, as well as structural parts therefor; electrical conductivity measuring devices for use in crop management; pH measuring devices, namely, pH meters for use with water or aqueous solutions and soil, as well as structural parts therefor, namely, probe tips, probe cells, double junction probe cells, calibration free probes, single use probes, standard solutions, replaceable reference junctions and probe cleaning laboratory instruments; devices for measuring, monitoring, and logging the physical parameters of water or aqueous solutions and soil, namely, conductivity meters, pH meters, ORP (oxidation reduction potential) meters, redox meters, dissolved oxygen meters, moisture meters, ion selective meters, chlorine meters, portable and fixed meters capable of receiving, remotely receiving and logging data information from the foresaid probes and sensors; Electronic control devices for monitoring water or aqueous solutions and soil and for controlling the dosing of additives thereto; Electronic control devices for monitoring water or aqueous solutions and soil and for controlling equipment maintaining monitored characteristics of the water or aqueous solution and soil within defined limits, namely, conductivity controllers, pH controllers, ORP (oxidation reduction potential) controllers, redox controllers, dissolved oxygen controllers, moisture controllers, Ion selective controllers, chlorine controllers, fixed devices receiving data from the probes and sensors initiating control of the water or aqueous solutions and soil; temperature sensors and meters not for medical use; electronic controllers for water heating elements; solenoid valves; ph meters; digital ph meters; ph measuring device for soil; meters for measuring alkalinity; meters for measuring nutrient content; meters for measuring temperature not for medical use; measuring apparatus, devices and instruments, namely, digitizers; conductivity meters being scientific measuring instruments; power switches; controlled mains switching box in the nature of electrical switches; electronic power controllers for use with power converters; electrical power distribution units; power distribution systems, namely, power distribution panels; electric power supply units; electric switch boxes; switch boxes; downloadable computer software for remote measuring, monitoring and analysis of nutrient solution levels; wireless controllers for the remote measuring, monitoring and controlling of nutrient solution levels; wireless data receivers; downloadable computer software for data logging the pH, conductivity and temperature of water or aqueous solutions and soil; apparatus for dosing water with additives, namely, dispensers of preset portions of fluids, solid granules and powder for dosing purposes, all not for medical use as well as structural parts therefor; automatic and semi-automatic dosing systems comprising electric motor control units for introducing additives to water in pools and spas; automatic and semi-automatic dosing systems for introducing additives to water supplies for horticultural or agricultural use; automatic and semi-automatic dosing systems comprising electric motor control units for introducing additives to water supplies for use in aquaculture, aquaponics, hydroponics and floriculture | Water conditioning units, as well as structural parts therefor; apparatus for treating water, namely, water filtration units, as well as structural parts therefor; water supply and water treatment units, consisting of peristaltic pumps and valves; level controlling valves, namely, metered valves for dosing water to maintain the quality of the water within defined limits; valves, namely, metered valves for controlling fluid flow; controllers for water heating devices, namely, thermostatic valves | Wholesale and retail store services featuring chemicals used in industry, industrial chemicals, chemical preparations for use in industry, chemicals for use in agriculture, horticulture and forestry, chemicals for use in aquaculture, aquaponics, hydroponics and floriculture, chemicals for use in industry, science and photography, buffers as chemicals, buffer solutions for scientific purposes, buffer solutions for use in analytical chemistry, standard solutions for use in analytical chemistry, conductivity standard solutions, calibration solutions, calibration fluids, potassium chloride solutions, chemical preparations for scientific purposes, chemical reagents other than for medical or veterinary purposes, reagents for chemical analyses, reagents for scientific or medical research use, reagents for research purposes, reagents for use in scientific apparatus for chemical or biological analysis, diagnostic preparations other than for medical or veterinary purposes, chemical products for preserving products during storage, acids, biological preparations for use in industry and science, biological preparations other than for medical or veterinary purposes, silicon, fertilizers, electrical conductivity measuring devices for use with soil as well as parts and accessories therefor, electrical conductivity measuring devices for use in crop management, pH measuring devices for use with water or aqueous solutions and soil, as well as probe tips, probe cells, double junction probe cells, calibration free probes, single use probes, standard solutions, replaceable reference junctions, refillable reference electrolyte, probe cleaning tools; wholesale and retail store services featuring devices for measuring, monitoring, or logging the physical parameters of water or aqueous solutions and soil such as conductivity meters, pH meters, ORP (oxidation reduction potential) meters, redox meters, dissolved oxygen meters, moisture meters, ion selective meters, chlorine meters, portable and fixed meters capable of receiving, remotely receiving and logging data information from the foresaid probes and sensors, control devices for monitoring water or aqueous solutions and soil and for controlling the dosing of additives thereto; wholesale and retail store services featuring control devices monitoring water or aqueous solutions and soil and for controlling equipment maintaining monitored characteristics of the water or aqueous solution and soil within defined limits such as conductivity controllers, pH controllers, ORP (oxidation reduction potential) controllers, redox controllers, dissolved oxygen controllers, moisture controllers, Ion selective controllers, chlorine controllers, fixed devices receiving data from the probes and sensors initiating control of the water or aqueous solutions and soil; wholesale and retail store services featuring temperature sensors and meters, electronic controllers for water heating elements, solenoid valves, ph meters, digital ph meters, ph measuring device for soil, meters for measuring alkalinity, meters for measuring nutrient content, meters for measuring temperature, measuring apparatus, devices and instruments, conductivity meters being scientific measuring instruments, power switches, controlled mains switching box, electronic power controllers, electrical power distribution units, power distribution systems, electric power supply units, downloadable computer software for remote measuring, monitoring and analysis, wireless controllers for the remote measuring, monitoring and controlling of nutrient solution levels, wireless data receivers; wholesale and retail store services featuring computer software for data logging the pH, conductivity and temperature of water or aqueous solutions and soil; wholesale and retail store services featuring water conditioning apparatus, as well as parts and accessories therefor, apparatus for treating water, as well as parts and accessories therefor, apparatus for dosing water with additives, as well as parts and accessories therefor, peristaltic pumps for use in water supply and treatment, metering and dosing apparatus for dosing water to maintain the quality of the water within defined limits, automatic and semi-automatic dosing systems for introducing additives to water in pools and spas, automatic and semi-automatic dosing systems for introducing additives to water supplies for horticultural or agricultural use, automatic and semi-automatic dosing systems for introducing additives to water supplies for use in aquaculture, aquaponics, hydroponics and floriculture, valves for controlling fluid flow, controllers for water heating devices

Chemicals used in industry; industrial chemicals; chemical preparations for use in industry; chemicals for use in agriculture, horticulture and forestry except fungicides, herbicides, insecticides and parasiticides; chemicals for use in aquaculture, aquaponics, hydroponics and floriculture; chemicals for use in industry, science and photography; buffers being chemicals used in analytical chemistry; buffer solutions used in analytical chemistry for scientific purposes; buffer solutions for use in analytical chemistry; standard solutions for use in analytical chemistry; conductivity standard solutions used in analytical chemistry; chemicals for use in water treatment, namely, calibration solutions, namely, for calibrating pH; calibration solutions, namely, buffer solutions used in analytical chemistry for calibrating pH; calibration fluids, namely, buffer solutions used in analytical chemistry for calibrating pH; potassium chloride solutions for use in laboratory and scientific applications; chemical preparations for scientific purposes; chemical reagents, other than for medical or veterinary purposes; reagents for use in scientific apparatus for chemical analyses; reagents for scientific or medical research use; reagents for research purposes; reagents for use in scientific apparatus for chemical or biological analysis; diagnostic preparations, other than for medical or veterinary purposes; chemical products for use as ionic depletion preventers for preserving laboratory equipment during storage; inorganic acids; biological preparations for use in industry and science; biological preparations for use in cell cultures, other than for medical or veterinary purposes; silicon; fertilizers; standard solutions used in analytical chemistry; refillable reference electrolyte, namely, electrolytic acid copper solutions | Electrical conductivity measuring devices for use with water and aqueous solutions, as well as structural parts therefor; electrical conductivity measuring devices for use with soil, as well as structural parts therefor; electrical conductivity measuring devices for use in crop management; pH measuring devices, namely, pH meters for use with water or aqueous solutions and soil, as well as structural parts therefor, namely, probe tips, probe cells, double junction probe cells, calibration free probes, single use probes, replaceable reference junctions and probe cleaning laboratory instruments; devices for measuring, monitoring, and logging the physical parameters of water or aqueous solutions and soil, namely, conductivity meters, pH meters, ORP (oxidation reduction potential) meters, redox meters, dissolved oxygen meters, moisture meters, ion selective meters, chlorine meters, portable and fixed meters capable of receiving, remotely receiving and logging data information from the foresaid probes and sensors; Electronic control devices for monitoring water or aqueous solutions and soil and for controlling the dosing of additives thereto; Electronic control devices monitoring water or aqueous solutions and soil and for controlling equipment maintaining monitored characteristics of the water or aqueous solution and soil within defined limits, namely, conductivity controllers, pH controllers, ORP (oxidation reduction potential) controllers, redox controllers, dissolved oxygen controllers, moisture controllers, Ion selective controllers, chlorine controllers, fixed devices receiving data from the probes and sensors initiating control of the water or aqueous solutions and soil; temperature sensors and meters not for medical use; electronic controllers for water heating elements; solenoid valves; ph meters; digital ph meters; ph measuring device for soil; meters for measuring alkalinity; meters for measuring nutrient content; meters for measuring temperature not for medical use; measuring apparatus, devices and instruments, namely, digitizers; conductivity meters being scientific measuring instruments; power switches; controlled mains switching box in the nature of electrical switches; electronic power controllers for use with power converters; electrical power distribution units; power distribution systems, namely, power distribution panels; electric power supply units; electric switch boxes; switch boxes; downloadable computer software for remote measuring, monitoring and analysis of nutrient solution levels; wireless controllers for the remote measuring, monitoring and controlling of nutrient solution levels; wireless data receivers; downloadable computer software for data logging the pH, conductivity and temperature of water or aqueous solutions and soil; apparatus for dosing water with additives, namely, dispensers of preset portions of fluids, solid granules and powder for dosing purposes, all not for medical use as well as structural parts therefor; automatic and semi-automatic dosing systems comprising electric motor control units for introducing additives to water in pools and spas; automatic and semi-automatic dosing systems for introducing additives to water supplies for horticultural or agricultural use; automatic and semi-automatic dosing systems comprising electric motor control units for introducing additives to water supplies for use in aquaculture, aquaponics, hydroponics and floriculture | Water conditioning units, as well as structural parts therefor; apparatus for treating water, namely, water filtration units, as well as structural parts therefor; peristaltic pumps being water purifying apparatuses for use in water supply and treatment; level controlling valves, namely, metered valves for dosing water to maintain the quality of the water within defined limits; valves, namely, metered valves for controlling fluid flow; controllers for water heating devices, namely, thermostatic valves | Wholesale and retail store services featuring chemicals used in industry, industrial chemicals, chemical preparations for use in industry, chemicals for use in agriculture, horticulture and forestry, chemicals for use in aquaculture, aquaponics, hydroponics and floriculture, chemicals for use in industry, science and photography, buffers as chemicals, buffer solutions for scientific purposes, buffer solutions for use in analytical chemistry, standard solutions for use in analytical chemistry, conductivity standard solutions, calibration solutions, calibration fluids, potassium chloride solutions, chemical preparations for scientific purposes, chemical reagents other than for medical or veterinary purposes, reagents for chemical analyses, reagents for scientific or medical research use, reagents for research purposes, reagents for use in scientific apparatus for chemical or biological analysis, diagnostic preparations other than for medical or veterinary purposes, chemical products for preserving products during storage, acids, biological preparations for use in industry and science, biological preparations other than for medical or veterinary purposes, silicon, fertilizers, electrical conductivity measuring devices for use with soil as well as parts and accessories therefor, electrical conductivity measuring devices for use in crop management, pH measuring devices for use with water or aqueous solutions and soil, as well as probe tips, probe cells, double junction probe cells, calibration free probes, single use probes, standard solutions, replaceable reference junctions, refillable reference electrolyte, probe cleaning tools; wholesale and retail store services featuring devices for measuring, monitoring, or logging the physical parameters of water or aqueous solutions and soil such as conductivity meters, pH meters, ORP (oxidation reduction potential) meters, redox meters, dissolved oxygen meters, moisture meters, ion selective meters, chlorine meters, portable and fixed meters capable of receiving, remotely receiving and logging data information from the foresaid probes and sensors, control devices for monitoring water or aqueous solutions and soil and for controlling the dosing of additives thereto; wholesale and retail store services featuring control devices monitoring water or aqueous solutions and soil and for controlling equipment maintaining monitored characteristics of the water or aqueous solution and soil within defined limits such as conductivity controllers, pH controllers, ORP (oxidation reduction potential) controllers, redox controllers, dissolved oxygen controllers, moisture controllers, Ion selective controllers, chlorine controllers, fixed devices receiving data from the probes and sensors initiating control of the water or aqueous solutions and soil; wholesale and retail store services featuring temperature sensors and meters, electronic controllers for water heating elements, solenoid valves, ph meters, digital ph meters, ph measuring device for soil, meters for measuring alkalinity, meters for measuring nutrient content, meters for measuring temperature, measuring apparatus, devices and instruments, conductivity meters being scientific measuring instruments, power switches, controlled mains switching box, electronic power controllers, electrical power distribution units, power distribution systems, electric power supply units, downloadable computer software for remote measuring, monitoring and analysis, wireless controllers for the remote measuring, monitoring and controlling of nutrient solution levels, wireless data receivers; wholesale and retail store services featuring computer software for data logging the pH, conductivity and temperature of water or aqueous solutions and soil; wholesale and retail store services featuring water conditioning apparatus, as well as parts and accessories therefor, apparatus for treating water, as well as parts and accessories therefor, apparatus for dosing water with additives, as well as parts and accessories therefor, peristaltic pumps for use in water supply and treatment, metering and dosing apparatus for dosing water to maintain the quality of the water within defined limits, automatic and semi-automatic dosing systems for introducing additives to water in pools and spas, automatic and semi-automatic dosing systems for introducing additives to water supplies for horticultural or agricultural use, automatic and semi-automatic dosing systems for introducing additives to water supplies for use in aquaculture, aquaponics, hydroponics and floriculture, valves for controlling fluid flow, controllers for water heating devices

Digital electronic configurable controllers and monitors for use in horticulture, namely, temperature controllers, climate controllers being fog controllers and carbon dioxide controllers, humidity controllers, vent controllers, water and irrigation controllers, fertigation controllers, hydroponic dosing controllers, nutrient dosing controllers, pH controllers and lighting controllers; computer software and computer software applications and downloadable computer software and computer software applications, all for use in the operation and monitoring of horticultural equipment and apparatus in the nature of horticultural temperature controllers, humidity controllers, fog controllers, vent controllers, irrigation controllers, fertigation controllers, hydroponic dosing controllers, nutrient dosing controllers, carbon dioxide controllers, pH controllers and lighting controllers, air temperature sensors, humidity sensors and solar radiation sensors, timers, pumps, fans, ventilators, heaters, thermometers, alarms, AV monitors and speakers, horticultural watering systems, piping and hoses, and drones and robots used in horticulture; structural parts and fittings for the aforesaid apparatus

Electrical conductivity measuring meters for use with water and aqueous solutions, as well as replacement parts therefor within this class; pH measuring devices for use with water and aqueous solutions, as well as replacement parts therefor within this class; Devices within this class for measuring, monitoring, or logging the physical parameters of water or aqueous solutions, namely, conductivity meters, pH meters, [ ORP (Oxidation Reduction Potential) meters, redox meters, dissolved oxygen meters, moisture meters, Ion selective meters, ] chlorine meters, and electronic equipment capable of receiving and logging data information from the aforesaid meters; Control devices for monitoring water and aqueous solutions, and for controlling the dosing of additives thereto, namely, dose controllers, dose control monitors; Electrical control devices monitoring water and aqueous solutions, and for controlling equipment maintaining monitored characteristics of the water or aqueous solution within defined limits; [ Electronic controllers for water heating elements; ] Solenoid valves within this class; Metering and dosing apparatus for dosing water to maintain the quality of water within defined limits, namely, automated dosing units, automated metering units, automated pH balancing units comprising the dispensing of pH adjusting reagents, automated pH balancing units comprising the dispensing of pH buffers, [ automated water softening units comprising the dispensing of reagents adjusting water hardness, ] automated pH balancing units comprising the dispensing of pH adjusting reagents, [ automated water clarifying units comprising the dispensing of reagents increasing clarity, automated sanitization units comprising the dispensing of sanitizing reagents, ] automated nutrient dosing units comprising the dispensing of plant nutrients; Automatic and semi-automatic dosing systems for introducing additives to water in pools and spas comprised primarily of a dose controller, reagent reservoirs, pumps and valves; Automatic and semi-automatic dosing systems for introducing additives to water supplies for horticultural or agricultural use comprised primarily of a dose controller, reagent reservoirs, pumps and valves | [ Water conditioning units, as well as replacement parts therefor within this class; Apparatus within this class for treating water, namely, water filters, water sanitization units, and water purification units, as well as replacement parts therefor; Plumbing fittings, namely, valves within this class for controlling fluid flow ]