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    Variable speed vs. single speed

    Hi all, I have an aging pump that I think may be a culprit in my electricity consumption problem (>3000 kWh / month with just two people). It's an 11 year old AO Smith 177474 single speed. I see ads that claim that a variable speed pump can save a lot of electricity, but was hoping to get...
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    Rust spots turned black with vitamin C

    Hi, I've had my pool for about a year (it's ten years old), and finally decided to deal with what I believed are rust stains on the bottom. My chems always test perfect by Leslie's Pool, but it wasn't maintained very well by previous owners. I scrubbed some of the spots off with an abrasive...
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    intermittent transformer buzzing

    Hi My low voltage transformer for the pool light makes a loud buzzing noise sometimes. Is this normal, or a sign that something needs to be repaired? I just bought the house recently, so don't know how long it's been doing it, and don't know doodley about pools yet. Thanks! Dan