DavidR Posted November 25, 2020 Share Posted November 25, 2020 I've always questioned the accuracy of test strips and have often times received weird results from them. Yesterday, I tested my display tank for nitrates. I'm trying to keep it at a level of nitrates adequate for good plant growth. I figured this would be ideal for the test strips as I could easily test it daily. My test strip showed zero nitrates in the tank. While this tank doesn't have a huge bio-load, I do add fertilizer regularly so this result didn't seem plausible. I pulled out my API Master test kit which revealed a level of 80 ppm. Are these test strips just completely worthless or is it just me? Is there another way for me to quickly and easily test nitrates in a tank? 1 Link to comment Share on other sites More sharing options...
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