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The best way to determine this is to backwash the filter and see what the pressure is at that time. Then go 7-10 PSI above that and this will be your pressure to watch to tell you when to clean your filter.

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โˆ™ 2011-02-06 17:13:18
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Q: When should a pool filter be backwashed?
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Related questions

Should a pool be backwashed twice a day?

No absolutely not unless you want to waste a lot of water you backwash a pool when the pressure in front of the filter becomes too high or goes into the red.


Where and how do you apply the DE to the pool filter?

After the filter has been backwashed, the filter valve is switched back to filter and the DE is added to the skimmer. The amount of DE to use should be shown on the filter and depends on the size of the filter area. The DE should first be mixed in a bucket with water then poured into the skimmer with the filter running.


What causes pressure with a pool pump to drop?

A clogged filter? The pressure AT THE GAUGE will drop after the pool is backwashed and also during vacumning. As the filter becomes clogged the pressure AT THE GAUGE will increase. The opposite effect occurs at the inlet eyeball.


How high should the pressure gage read on an in ground pool sand filtering system?

12-16 pounds when it gets toward 20 pounds the pool needs to be backwashed


How long should pool filter run?

i have a intex pool 12x 30 uses filter size A how long should i run the filter for


What is the primary indicator used to determine when a pool should be backwashed?

Your D.E. filter should have a pressure gauge on it. When the pressure reaches about 20 psi this is an indication your water flow is slowing down due to trapped debris in your D.E so a backwash is necesssary to flush it out.


Should your pool be on recirculate or filter?

Filter unless you don't want to filter the water


What setting should the sand filter be at when using the the above ground pool cleaner?

It should be on "FILTER"


How often should I clean my pool pump?

The cleaning schedules varies from filter to filter, but a general guideline on any swimming pool filter is to take a reading when the filter is clean, then clean the pool filter when the pressure rises about 10 psi.


Should you run the filter after adding acid to a pool?

Run the filter when adding any chemical to the pool. It needs to circulate to do its job.


Is algaecide added to slat water pool when filter is on?

Adding algaecide to the pool when the filter is on should not do any harm in fact it should mix it into the water more quickly


Should you swim in your pool after ducks have pooped in it?

if u have a filter


Should you run the above ground pool filter with people in the pool?

You could,When it's warmer.


With an above ground pool is it ok to run filter with cover on pool?

Generally, that should not be a problem.


When you vacuum a pool what setting should the filter be on?

The setting of the sand filter should be on filter for a normal vacuum. However if you are getting rid of the results of using clarifier from the bottom of the pool you would be beter of vacuuming to waste.


What is a DE swimming pool filter?

Simply put, Diatomaceous Earth (DE) are the bones of tiny little animals that lived millions and millions of years ago, diatoms. This DE is used to coat the "grids" inside the DE filter which captures and filters particles as small as 5 microns. When the filter pressure rises, the swimming pool DE filter is backwashed in the same manner as a sand filter. A slurry of DE is put into the skimmer to "recharge" or "re-coat" the grids of these swimming pool DE filters. This type of filter is effective and efficient but a little more expensive to maintain. Some call it the "water polisher" of pool filters.


Why does my pool filter blow dirt into the pool?

I assume you have a sand filter if so you most likely have broken laterals in your filter. A lateral should allow water through but not sand. if you have a DE filter and you are getting what appears like sand in the pool, you have one or more of the filter grids that have holes and the DE is passing through the filter grids back to the pool.


When adding aluminum sulphate to swimming pool should the filter be running?

Add the aluminum sulphate to the pool. Run the filter for two hours. Wait overnight to vacuum the bottom of the pool.


Should you remove the pool filter basket when you vac to waste?

yes


What is the recirculate position on a pool filter valve for?

intex sand filter is not working on filter only working on recirculate position.....what should we do


How do you get sand out of filter?

pull the filter out and hose it off, replace the filter, if you vaccum your pool more frequently it should help keep the filter cleaner


Your pool filter is blowing green back in to pool?

Change your filter


What setting should you have your pool on for normal operation?

If you're talking about your pool filter, it should be set to filter or run. Use the bypass or recirculate setting if you wish to circulate the water without having the water pass through the filter. Use the backwash setting to clean the filter.


What is an indication that a sand filter needs to be backwashed?

The pressure gauge will generally read 10 PSI higher than when the filter was clean. In any case do not let the filter gauge go above 40PSI.


Proper water height for above ground pool?

about an inch below the TOP of the filter...there should be a line on your filter...