Refilling pool - how to start

HartA7 · May 23, 2020

I drained my pool completely and am refilling right now. CYA was off the charts when I bought the house. Drained half a couple years ago and got the CYA down to 80-90. got tired of maintaining the high levels of FC required.

Was just going to drain half again but I was a bad pool owner over the winter. Totally green with lots of dirt and debris at the bottom. Deccided to just start over.

Should I wait til it's full to start testing and balancing, or should I be doing anything now? Will probably take a couple more days to fill

ajw22 · May 23, 2020

Wait until the pool is full and water has circulated for 24 hours.

Pour 5 ppm of liquid chlorine in as soon as the pool is full.

What is the pH, TA & CH of the fill water?

HartA7 · May 23, 2020

Haven't tested the fill water at all. Will try to do that and get back to you.

I just ordered r a TFT refill. Hopefully my current stuff isn't too old.

HartA7 · May 25, 2020

This is all testing the hose water -

CH - 125
TA - 100
PH - 8.4

ajw22 · May 25, 2020

Once the pool is full...

Add 5 ppm of liquid chlorine to the water
Get socks hung by returns to add 8 lbs of dry stabilizer to give you CYA round 30
Lower your pH into the 7's with muriatic acid
Your TA is fine
After a few days check what your CH is and raise it to at least 250.

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HartA7 · May 30, 2020

Thanks. Things are looking good. Stabilizer is up to 20 and I'm adding the rest right now. I've passed oclt twice but I'm losing 3 to 4 ppm per day. Is that normal until I get the stabilizer up?

ajw22 · May 30, 2020

HartA7 said:
Thanks. Things are looking good. Stabilizer is up to 20 and I'm adding the rest right now. I've passed oclt twice but I'm losing 3 to 4 ppm per day. Is that normal until I get the stabilizer up?

Yes, that can be a normal level of FC loss to the suns UV.