- 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 the table - Easy to use: add aquarium water to cuvette with syringe, add indicator and compare colour on colour scale, or count drops until colour changes in KH test - Comparator system takes the inherent water colouring into account. CO2-content is determined by pH value and KH value using the table - Childproof reagent bottles, waterproof plastic case, refill reagents separately available - Package contents: 1 test case for aquariums, 9 reagents, 3 glass vials, syringe, measuring spoon, comparator block, colour charts, report sheets, operating instructions