Quote:
Originally posted by CoMMaNdeR
After adding a WEIPRO PH controller to my reef I noticed that maximum is about 8.1 but later afternoon it drops to around 7.8 even sometimes 7.6.
The display tank is on for 12 hours, 1 hour before they switch off turn on the refugium lights that run for around 20 hours. I also dose kalk everyday 24/7.
What should I do to raise the PH?
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Do you use an AC adaptor? Mine does this on the AC adaptor not as low but low enough.