After reading on this forum, and a partial water change, I've decided to go entirely liquid chlorine instead of pucks in a floater with liquid as a shock.
24,000 gal. inground pool + spa with waterfall from spa into pool.
My question, is it seems like I need to add a gallon of 10% chlorine every 2 days because the level of FC drops to 0 or 1. I've fought off some algae, and I don't want it to return.
So, my question is, does this seem like a reasonable amount of chlorine to need to add?
TH= 200
FC = 3
PH= 8.4
TA = 200
CYA = 30
Yes, I know my PH is high. It seems like no matter how much acid I add it either stays high or goes back up to 8.4 very quickly. I've kind of given up fighting it, but would want to know if this is OK. I suspect it has to do with the waterfall, and maybe that the plaster in our pool is 30 years old. Water from our tap is very hard and has high PH as well.
Thanks,
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