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(Disclaimer: I’m new at this.)
I just switched one month ago from Oceanic to IO because of some crazy high CA numbers in my tank. I also seemed to always have low Alk numbers. I did this after reading another thread that claimed strange things happen with Oceanic at higher SG levels.
After seeing Billy’s test numbers, I now see why.
Guess what. Now I am trying to bring up my CA numbers because they are low.
Last night I had SG = 1.0245, Temp = 78, CA = 365, Alk = 7.7. Just F.Y.I., do not run a skimmer yet.
So starting with my next WC, I am going to use 1/3 Oceanic and 2/3 IO and see how that goes. I’m changing 10% every week.
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