API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit, including 1 bottle of testing solution, 1 color card and 1 glass test tube with cap.

Helps monitor and adjust pH and prevent invisible water problems that can be harmful to fish.
Accurately reads pH 6.0 - 7.6 and helps avoid fish loss.
Because different geographies have different tap water conditions, and different fish. need different pH levels to be healthy, API helps measure pH levels & detect pH. fluctuation caused by fish waste, uneaten food and addition of tap water.
Use for weekly monitoring and when water or fish problems appear