It's full!
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Total volume (based on the water main meter) works out to 14,060 gallons.
I got the pump primed, and running at 2500 RPM. The pressure gauge on the filter is only showing 10 PSI though? The flow out of the returns and the skimmer venturi ports are really strong, so I'm not concerned.
pH tested at 8.2, so I added 3 cups of 31.45% muriatic acid, which brought it down to 7.6 (with TA of 130), and I just added another 3 cups, which should bring it down to 7.3
I also added 2lbs 6oz CYA granules in a sock, and hung it in the skimmer. I didn't set it on the bottom of the skimmer basket, because I worried it would restrict the flow; considering how large the sock is.
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We tested calcium, and I'm getting a result of 175ppm; which is really odd, considering all previous tests of our coop water were 300ppm. It looks like I'll need to add some calcium to bring it up to the 250 range. I'm now wondering if my 2nd spigot which is supposed to be hard water, may actually be connected to the soft line instead. I need to test it to be sure, as all my previous tests of the coop water were done from the other hard water spigot.
I'll test again here in a few mins, and assuming the pH is now 7.3, I'm going to add 2ppm FC for now. I'd like the family to be able to swim today, so I don't want to spike the FC too high considering the CYA is zero, until the granules dissolve.