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  1. C

    New Setup: Borax, SWG, Overall Balance

    I've just completed my initial setup of a SWG system with Borax and would appreciate feedback on the current measurements and any recommended changes: FC = 5 (am still adjusting but plan to keep around 5 ppm because of unpredictable heavy bather loads.) CC = 0 pH = 7.7 CA = 100 (TA corrected...
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    Chemical Cleaning of Sand Filter

    How can I tell if chemical cleaning of our sand filter is necessary? It's about 6 years old and has had sand added one time that I know of. No special cleaning chemicals have ever been used. Clean pressure is 19 psi and is partially caused by a "too large" pump, 1.5 inch pipe for a portion of...
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    Pump too large for filter: Problem??

    Transferred: I need some help on pump and filter sizing and would appreciate any feedback anyone can offer. We have a Pentair UltraFlow 1 HP full-rated pump feeding a Pentair Tagelus TA 60D sand filter. Based on the measured total dynamic head (using input vacuum and output pressure) of 56...