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Unread 11/13/2019, 09:00 AM   #1
zeebies
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Join Date: Apr 2011
Location: NE Coast
Posts: 851
Will leaving external pump mostly OFF ru8. It?

I plan to push saltwater up one floor from the basement using an Iwaki (55RLT) external pump. Is there any problem with the pump being ON for only a few minutes every couple of weeks and then OFF the rest of the time?

I was told that leaving the pump off with SW sitting in it for a couple of weeks would ruin the pump very quickly and to prevent this I should rinse it with freshwater after every water change. This seems overkill to me but I don’t want to ruin a good pump.

The SW mixing container is only 13 gallons and I have a small Lifeguard pump circulating water all the time. I don’t want to leave the Iwaki on all the time because I only need it to push water up.

Will I ruin my pump if it remains mostly off, full of saltwater?


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Unread 11/15/2019, 03:56 AM   #2
snulma1
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Join Date: May 2005
Location: New York, NY
Posts: 2,281
The issue with leaving a pump in standing salt water is that the solution will precipitate out and coat the impeller and eventually cause it to seize.
Its not impossible to fix, just a hassle.
Quick fix could be to plumb in a second intake and ouput to run clean water thru to help limit this issue


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