Easy Strip Test strips by Tetra
6-in-1 EasyStrips are easy to use. Just a quick dip in your aquarium water, a 60- second wait, and you will find out your results. This amazing advancement gives you the most accurate results compared to other products that often indicate higher, inaccurate readings. Besides the most accurate results, 6-in-1 EasyStrips uses 3 pads that test for General water Hardness (GH), nitrates, nitrites, alkalinity (KH), and pH levels.