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Old 09/05/2020, 11:24 PM   #1
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ahuaia's Avatar
Join Date: May 2017
Posts: 228
Pico ph

So I have a small 5 gallon pico I've been building. Its cycled and I have a new dottie back. Ever since my new fish went in my ph will drop super low every night it drops below a ph of 7.8 and I've done water changes and even dosed NaOH to artificial adjust the ph but I cant figure why its droping. No coral yet so my alkalinity shouldn't be changing and COČ should actually drop during the night because I open the window. Any ideas what to start looking at?

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Old 09/17/2020, 02:39 PM   #2
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Join Date: Jan 2008
Location: OKC, OK
Posts: 3,711
Don't chase pH, keep Ca, Alk, and Mg in line and you'll be fine. IME, in a nano, this is best done with small, regular water changes.

"The moral is the chosen, not the forced; the understood, not the obeyed. The moral is the rational, and reason accepts no commandments." - John Galt

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