Tetra Test 6in1 Aquarium Test Strips – 6in1 25tests

Tests for 6 water quality parameters in just 60 seconds! – Fast, accurate and easy-to-use – Ideal for frequent testing, or for beginners – Tests for General Hardness (GH), Carbonate Hardness (KH), pH, Nitrite, Nitrate, and Chlorine – For all freshwater aquariums.