Should have listened to the reviews. I had the same problem with these test strips. I'm a super slacker. They test the same for all my tanks which is impossible! I test clean tap water and it gives me the same. Not exactly at all. The bottle came with no actual instructions and I felt like I had done the same with other bottles so it wasn't a big deal but after the hassle and terrible reading. I was afraid my water might be so bad it might kill my fish. DO NOT USE! Do not buy. Just do not. If I get my money back, who cares. Who's going to get back at me for all my fish getting sick with those awful π€ readings from those streaks?
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