How often to backwash de filter. For more efficient filtration clean the grids and save water in the process. The backwash is an intense rinsing and tossing of the medium that lasts for several minutes. A properly sized de filter should in most cases be able to operate continuously for a period of 4 weeks between backwashings.
Your maintenance schedule will guide you on how often to backwash a pool but ideally you should do it once each week. Turn the multiport handle to backwash if you have a slide handle pull up on the handle all the way. Run equipment for.
Before you backwash a de filter consider this. If youre wondering how often to backwash pool filters you should look out for the industry standard. Once that pressure reaches 6 8 psi higher than your clean filter pressure it is time for a backwash but not until then.
Turn your filter system on and run it for 2 minutes in order to backwash the water out of the backwash valve or port. After the backwash the control valve initiates a rinse of the bed during which water flows downward through the medium up through the riser tube and out the drain. How to backwash your de filter step by step guide turn the power to your filter system off and then turn the multi position valve to the one that states backwash or pull.
Backwashing a pool de filter. The median particle size is approximately 40 microns. A filter run of less than 4 weeks may indicate grid problems or sizing problems.
Turn off the de pool filter. Typically you should backwash a pool if the pressure gauge on your filter is at 8 10psi at the starting level. Ep minerals under the power of a microscope you can see that a single diatom is very porous consisting of about 85 void space.
In a standard residential filter a typical backwash lasts about ten minutes. How to properly backwash a de pool filter. Filter grid fabric can become clogged with calcium deposits or oils.