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· Got Shrimp?
159 Posts
As mentioned about ph swings definitely not good, so as long as your ph stays constant at 7.2 that wouldn't be your biggest issue. The biggest issue I see is the temp being 75 at night. I have found in my experience that cardinals are the most sensitive to temps lower than 80. I keep mine at 82-84f also just straight tap and no c02. My ph is 7.5, tds 300 do to the higher temps, kh 11, and I don't use any water altering salts.
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