Tetra 6 in 1 Test Strips
I use these daily in my store and fish room. I trust my living with them. They are quick and easy. They test everything except for Ammonia. You use another strip to test ammonia. These strips are accurate unlike many other brands. You get 25 tests.
- Results for chlorine, nitrate, nitrite, general hardness (GH), alkalinity (KH) and pH