JBL Water Test Kit, With 6 tests and accessories, For fresh water aquariums, Refill, ProAquaTest Combi Set Plus NH4

Advanced water test series: Easy and safe control of aquarium water values, Ideal for determining pH, carbonate hardness, nitrite, nitrate, ammonium and ammonia as well as CO2 Convenient to use: Place aquarium water in a cuvette with syringe, add indicator and compare colour with colour scale or count the drops to change colour in the KH test Laboratory comparison system for the compensation of water discoloration, determination of the CO2 content via the pH value and KH value per table Safe storage: child-resistant reagent bottles, waterproof plastic case, extensive accessories, refill reagents available separately Contents: 1x JBL Test Case for aquariums, 9 reagents, 3 glass cuvettes, syringe, dosing spoon, comparison block, plastic cuvette, colour cards, protocol sheets, operating instructions