Salifert Potassium Test Kit up to 40 Tests Exp 05/2023

This test kit is used to measure potassium levels in your aquarium. Levels outside of optimum range can disturb the nutrient turnover in the aquarium and have a damaging influence on coral growth. This test can detect concentrations of 250 ppm to 470 ppm optimum potassium levels should be kept between 380 and 420 ppm