TheKleinReef Posted February 20, 2022 Author Share Posted February 20, 2022 25 minutes ago, M. Tournesol said: Your ph seems to fluctuate normally 🤔(except yesterday). I suppose you started lowering your kh yesterday. May be your Ca level or your Nitrate level? this is what I found on the net. i did a big 20G WC yesterday, which is why that day is different. not sure it'd be nitrate. I've never been above 20ppm, it's only gone up since I started paying attention to it. I can test calcium but on 2/12 it was 440. which is where it usually sits. Quote Link to comment
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