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- Oct 26, 2019
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Hello everyone, quick question/ recording of observations. I recently added a co2 reactor to my 180 gallon reef tank. I use an Apex and have been observing some swings from 7.8 down to 7.5 or sometimes lower. The co2 reactor did exactly what I had hoped it would do. It increased my ph to 8.30 during the peak and it drops to 8.15 or so later. I know this range can increase coral growth, according to various BRS videos. I have noticed my alkalinity demand nearly double since that time. I use instant ocean reef crystals and the calcium mixes pretty high so I only dos alkalinity at this time. I previously only needed about 10 to 20ml per day, split up among 4 intervals, to maintain or slowly decrease my alk, which is usually around 8.5 dkh. Now I'm struggling to stay ahead of the curve. I have increased to 36ml per day, waiting for my next trident reading to see if the new interval of 9ml over 6 hours keeps it steady or it drops again.
Also I'd say I have a medium to lightly stocked tank. One decent sized elegance, about 10 or so hammer coral heads among different colonies, a few different acans, on duncan with about a dozen heads and one torch.
Has anyone else experienced something similar when increasing their pH?
Also I'd say I have a medium to lightly stocked tank. One decent sized elegance, about 10 or so hammer coral heads among different colonies, a few different acans, on duncan with about a dozen heads and one torch.
Has anyone else experienced something similar when increasing their pH?