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Originally Posted by Butcher
How to slow down an AC pump - make your own AC. 
If it's something you really want to do you could hook up a variable frequency AC inverter and drive that off a DC source. It's not very efficient though - much easier to just get a DC pump. |
Just hooking up the variable frequency AC inverter? Simple enough. My father-in-law got one spare frequency AC inverter. Think can get it with free. I guess it is now efficient, right.