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how do i calculate the volumn of backwash in a pool

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Q: How do you calculate the required pool filter backwash rate in gallons per minute and backwash volume in gallons?
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Related questions

What quantity of water is wasted during a swimming pool filter backwash?

29 gallons


Why is my Pool sand filter pressure to high on filter mode?

when the pressure is high on filter mode it usually means that a backwash is required.


Do you need to bring pool pump and filter indoors?

No , if you have a D.E. filter instead of an older cartridge filter than the D.E. can get pretty messy if when you filter clean , and if you have a backwash when you backwash .


When sand filter set on filter water leaks out backwash hose?

It sounds like either your valve is not set completely to "filter" or your valve's seals are degrading. If the valve is completely set to "filter", then either replace the valve, or plug the end of the backwash hose.Here's a good place to look for new backwash filters: http://www.swiftpoolsupplies.com/category/product-list/backwash-valves


Do you backwash your pool before you put chemicals in?

No you only backwash your pool when your filter pressure on your filter is high 30psi and above on most pools. If you backwash your pool be sure to add two scoops of de to your skimmer. If the presure is still high the u need to clean the filter


Where is the backwash knob located on the swimming pool pump?

The "backwash knob" - usually called the handle - is located on top of the filter or just to the side of the filter on a sand filter. They could be on the very bottom of the filter or to one side of the filter but never on the pump. The filter is the large tank.


How do you backwash cartidge filter?

Take the cartridge out and hose it off


What are the 6 position on your hayward sand filter?

Filter, winter, closed, backwash, rinse, waste


HOW much d.e should one add to a pool filter?

That would depend on the filter . the best thing to do would be to contact the manufacturer of the filter.


How much water is lost when you backwash a filter?

Could be up to 300 gal.


Do you vacuum on filter or backwash?

Typically you only need to backwash when your filter's PSI is double its starting PSI level. For example, mine starting PSI is between 7 and 12, so when it gets to between 15 and 20 PSI I'll backwash.


I have an HRS2000 filter how do I vacuum to waste?

1 is waste 3 is backwash 4 is normal