I use Poland Spring and have testing multiple times using the Salifert test kit. The tests have all come back with 0 Nitrates. Just a thought....
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29 gal nano reef tank. 10 gal refugium/sump. maxijet 1200. prizm skimmer. 45lb live rock. 15lb indo-pacific black sand. zoos. mushrooms. leathers. naso tang. |