path1 wrote:
Don't know what the rush is??? Be careful of your vent tube, most vent tubes are just vinyl hose and a little plastic barbed fitting with a hose clamp around it. Mine fell off on time and it was a son of a gun to get back on because of no room to get hose clamp tight. After that I don't put a lot of pressure when (re-filling) or better stated displacing air inside the tank with water.
I picked up one of these.
http://www.harborfreight.com/12-volt-marine-utility-water-pump-94639.html
I thought is might be good for maybe 1 or 2 seasons. That was probably 5 years ago. I'm surprised it still works for the price I paid for it.
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I hooked a pump like this up to a clean sealed plastic 55 gal drum and it worked well for 3-4 years before it quit. The experiment showed me it was well worth it so I replaced the pump with similar unit that could act as a replacement pump. I can also hose into the city water supply and use the water directly from the drum.