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- Aug 30, 2019
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Is there something I can put in my media rack to pull out nitrates, like there is for phosphates? I've been doing water changes, but it hasn't been very effective (nitrates are 25, after doing reef flux treatment and not doing WCs for several weeks). I've done four 4 gallon water changes over the last 6 days, but nitrates are still at 25 on my 32g tank. I don't have a good setup to do a larger WC so wondered if there was something like phosguard, but for nitrates. I currently have carbon, purigen, and phosguard in my media tower. Prior to my reef flux treatment (which did not kill my GHA), my nitrates were 5.