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so this one is a puzzler for me. Normally, even with my 2 speed pump on low, my gas heater still gets enough flow to come on. Of course, when my filter gets dirty, the flow diminishes, and the heater switches off. What I don't understand is that when this happens, I found that by closing some...

I read somewhere that evaporation increases with water temperature. But what if the water is cold, but the air even colder. Last night we seem to have lost a quarter of an inch. The water temperature is 55 and the temperature got down to 36 overnight. Would you expect a lot of evaporation in...

Hello all, I've got a question I'm hoping someone here will be able to help me with. I've got a 2 speed pump which I'd like to run at the lower speed in order to save on electricity. Unfortunately, I'm finding that it seems that I'm not getting very good water flow rate when using low speed...