Backwash sock

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Silver Supporter
Mar 12, 2017
77
Orange County, CA
Pool Size
35000
Surface
Vinyl
Chlorine
Liquid Chlorine
I recently serviced my Hayward DE filter for the first time since buying the house. I started with a backwash which was a minor disaster. The backwash hose is old and somehow I managed to try to backwash with a link in the hose. As many of you know this resulted in a popped hose and a DE geyser until I could get the pump shut off.

I shortened the hose and managed to backwash in to a corner of the yard. After that I disassembled the filter grids to give it a thorough cleaning. Needless to say it was ready to be done. The filter pressure dropped from 21psi to 10 and flow significantly increased after cleaning.

Now I have a DE mess to clean up and I clearly need to have a cleaner method for the future. Have any of you used a DE sock on the discharge pipe to capture the DE instead of spraying it in the yard?

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I've never heard of such a thing and can't imagine how it would work. My system does have a separation tank to catch the DE, but I seldom use it. I just wash down the DE when I'm done. BTW I have never seen DE that was black before. I guess your filter was dirty, how long since it was cleaned? To reduce the crud that makes it to the filter try using hair nets in the skimmers.
Tips and Tricks - Page 9
 
I had a similar experience once, which is why I now take great pains now to ensure the hose has no kinks and wide radius bends. :mrgreen:

I switched to cellulose instead of DE because it's biodegradable and I discharge onto the lawn. And trust me, it is. It starts breaking down before it gets backwashed. When the pressure shows it's time to backwash, it means now, not next week. Gets real sticky. But I don't have a white crusty DE buildup anywhere in the yard.

In short answer to your question, no, I don't use a bag. In the past, others have posted about them. Search "slime bag" to find the old threads. I seem to recall that Duda Diesel sells some kind of filter bag that works, too. It should be in those threads.
 
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