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Re: Ducati74 post# 54354

Friday, 04/12/2019 2:23:48 AM

Friday, April 12, 2019 2:23:48 AM

Post# of 113607
Ummmm. The tank is 65,000 gal. How much water do you think is used in back washing a filter? That water coming out of the back wash is not going into the tank. So the only volume of water that could be considered a water change is the water capacity of the filter minus the displacement of the filter media. That is not going be very much compared to 65,000 gal.


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