The Colombo Test lab Complete Test Set tests for pH (Acidity 40x), GH (General Hardness 25x), KH (Alkalinity 25x), NO2 (Nitrite 40x), NO3 (Nitrate 40x) and NH3 (Ammonia 40x).

Test for the six main water parameters with this convenient, plastic storage case of tests.

Kit includes:

• 6 Test tubes
• Instruction card
• Record sheet
• 9 Test solutions

Complete testing for aquariums and ponds.