API 5-IN-1 Test Strips are the quick and easy way to test the 5 most important aquarium water parameters pH, KH, GH, nitrate, and nitrite in one easy step.
Simply dip one test strip directly into the aquarium, and compare the colours on the strip to the colour card provided to help prevent invisible water problems that can be harmful to fish.

Each kit includes detailed information on how to interpret the test results and correct unsafe water conditions.

Pack Size: 4; 25; 100

• The fastest way to test aquarium water quality. Fast easy and accurate
• Tests ph, nitrate, nitrite, kh, gh.
• Highly precise color charts for accurate results – for fresh water and salt water
• Just dip and read.