Quote:
Originally Posted by hillegom
I have heard that cement leaches a lot of lime and will raise the ph too high for a month or so. When u put water in, put in fresh first and monitor the ph for a while to see what happens.
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I did cure the concrete pieces in freshwater for about 6 weeks before assembling the wall. The concrete that was used to put the wall together however was curing in the tank. And I agree, I had to offset a rise in ph with vinegar for a couple of weeks.
I currently have about 300 lbs of concrete curing to be used for additional structures.
As of this writing the tank finished cycling about 3 weeks ago, ph is stable at 8.4 and I have fish in it. I dropped in about 2lbs of real live rock and I am just waiting now for purple spots to pop up
I am just slow in catching up with the build timeline and getting pictures uploaded