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2011-02-06 17:13:18
2011-02-06 17:13:18

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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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.

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.

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.

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.

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

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

Filter unless you don't want to filter the water

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.

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

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.

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

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.

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.

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

You don't backwash a cartridge filter. To give them a quick cleaning you can take the cartridges out and hose them off to remove surface dirt and some algae. To give them a full cleaning you should get a pool cartridge degreaser and first clean them as above then soak them in the degreaser as per it's instructions.

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.

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

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

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.

Setting the filter to backwash cleans the filter, running your pump to filter cleans the water in the pool. Brushing the walls of your pool cleans the walls of your pool... and so on.

If the pump is working, then you should have pressure. Low or no pressure usually means that the gauge itself needs to be replaced. High pressure usually means the filter is clogged with debris and needs to be backwashed (if Sand or DE) or the Cartridge cleaned.

first of all there shouldn't be a lot of sand at the bottom of your pool. assuming you don't live on the ocean where sand could become air born the only thing that makes sense to me is that something went wrong when you backwashed your filter. to get rid of the sand vacuum the pool every day until it disappears

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