Are you running the outlet from the ca reactor straight into the tank or through a effluent chamber? I had to get that big tube at the back of the tank to put more media to use up left over co2 as i was having ph issues also. I also run a hose outside for the skimmer intake and bring in fresh air seemed to help out lots.
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras
360 Reef Tank
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