The Colombo TestLab Professional is an essential water testing kit for every aquarium enthusiast. It accurately measures 7 key water parameters, helping ensure optimal conditions for fish and plants. Each drop test is easy to use and delivers fast, reliable results. With up to 40 tests per parameter, the kit allows a total of 280 complete analyses. Supplied in a durable case with test tubes, syringes, and a colour chart, it makes routine water monitoring simple for both beginners and experienced aquarists.