Re: Green pool with clogged sand filter after 2 weeks out of town
@jtran69,
I see you're in northern CA, are you able to drain and refill or are you still in water restrictions?
A CYA of 190ppm is really very high. During "normal" operation you'd need to maintain a minimum FC level of 14.2 just to keep algae at bay and your daily target level would have to be up around 20ppm somewhere just to ensure enough reserve disinfecting power. Dumping half your water and replacing would bring you back down to 95ppm CYA which would still be high but much more manageable from an FC perspective.
That's just my opinion. I had water that got up to 150ppm CYA and I gave up trying to fight that and just dumped half my water. Since then it's been a lot easier keeping my pool water balanced.
16k gal IG gunite PebbleTec (Caribbean Blue), 18' x 36' free form with raised spa/spillway and separate rock waterfall. All Pentair Equipment pad - 3HP IntelliFlo VS / 1.5HP WhisperFlo, MasterTemp 400k BTU/hr heater, QuadDE-100 filter, IC40 SWCG, IntelliTouch/EasyTouch Controls
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