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I am planning to upgrade my one-speed pump to a VSP pump in a year or so. I have an Aqualink RS8 PowerCenter/Controller (no PDA, no Wifi) that is probably 10+ years old (8 relays for Filter pump/heater, air blower, cleaner/booster pump, water feature pump, pool light, water feature light, spa...

When trying to calculate how much muriatic acid to add to the pool based on pH difference from 7.9 to 7.6, PoolMath tells me to add 64 fluid oz of 31.45% MA. However, when trying to cross check by verifying under the "effects of adding", PoolMath tells me that adding 64 fl oz of 31.45% MA...

I want to get a backup variable speed pump ready in storage when my main pump finally fails. I am comfortable with replumbing PVC. However, I don't know what Hayward single-speed pump model I have and I am confused by the HP. The main label says 2.0 HP but the side label says 2.4 HP. I have a...

Thank you for the invaluable information on how to take care of my pool. It has been a daunting learning curve, but I feel better given the site's and users' knowledge. In addition to the pool, I have a water fountain in my yard with a small pump that pushes water up. It is made of concrete...