9 Testblocks in the nature of water testing instrumentation for monitoring and detecting chemical levels such as Chlorine, Bromine, pH, Alkalinity, Chlorine Dioxide, Potassium Monopersulfate, Copper, Zinc, Hydrogen Peroxide, PHMB antiseptic; quaternary ammonium compounds (QAC)levels; Potassium Monopersulphate (MPS), Alkalinity, Bromine, Chloride, Chlorine, Chlorine Dioxide, Copper, Cyanuric Acid, Water Hardness, Hydrogen Peroxide, Iron, Ozone, pH, PHMB, Phosphate, QAC, Sodium, Hypochlorite, Aluminum, Ammonia, Carbohydrazide, Diethylhydroxylamine (DEHA), Fluoride, Manganese, Molybdate, Nitrate, Nitrite, Silica, Sulphide, and Zinc; Comparator for immersion into water for testing QAC, Potassium Monopersulfate, Alkalinity, Bromine, Chloride, Chlorine, Chlorine Dioxide, Copper, Cyanuric Acid, WaterHardness, Hydrogen Peroxide, Iron, Ozone, pH, PHMB antiseptic, Phosphate, QAC, Sodium Hypochlorite, Aluminum, Ammonia, Carbohydrazide, Diethylhydroxylamine (DEHA), Fluoride, Manganese, Molybdate, Nitrate, Nitrite, Silica, Sulphide, and Zinc levels; Photometric analyzers, namely, photometers used to measure water quality parameters using reagents; and Electronic meters, namely, water meters for immersion in water to test pH, Temperature, Total Dissolved Solids, Electronic Conductivity, ORP (Redox), Salt, and Dissolved Oxygen levels