Monitors the water values in aquariums simply and reliably. Determines: pH value, carbonate hardness, nitrite, nitrate and ammonium ammonia, as well as CO2 calculation using a table Easy to use: syringe for exact measurement of the water quantity, detailed instructions for use Laboratory comparator system to compensate the inherent water colouring, analysis record sheet, instructions for problem solving, CO2 table Child-proof reagent bottles, water-proof plastic case, refillable kit Package contents: 1 test case for freshwater aquariums, incl. 5 reagents, 3 glass vials, syringe, dosing spoon, comparator block, plastic cuvette, colour charts, analysis record sheets, instructions