DE coming back into pool

WonFineDay

New member
Jun 17, 2022
3
California
My filter was working fine. Then backwashed and cleaned it thoroughly. I added DE through the skimmer, and it all ended up back in the pool. After a couple days of running the filter, I opened it up there is basically no DE on the filter.

Is replacing the filter grid the only possibility? (the grids are about $400 to $600) to replace. Would I be better off replacing the entire filter, given that my system is 15+ years old? (new filter with install would cost about $1,000).

I have the Sta-Rite system:3 filter. One of the "edges" is completely split - not sure if that is torn, or is that the beginning/end of the filter material.
20220615_180101.jpg
I'd really appreciate some advice/help? Thanks!
Ro
 

zea3

Mod Squad
TFP Expert
LifeTime Supporter
Jul 10, 2009
14,313
Houston, Texas
Hi, welcome to TFP! If the fabric is split then that is what is blowing DE into the pool. Whether or not it would be best to get a new filter system depends on the age of your current system, if cost is a concern, and if the new system would be more convienient. Would you be getting another DE filter? If I was going to go through the trouble of getting a new filter I think I would get a cartridge filter and not have to worry about DE issues.
 

WonFineDay

New member
Jun 17, 2022
3
California
Hi, welcome to TFP! If the fabric is split then that is what is blowing DE into the pool. Whether or not it would be best to get a new filter system depends on the age of your current system, if cost is a concern, and if the new system would be more convienient. Would you be getting another DE filter? If I was going to go through the trouble of getting a new filter I think I would get a cartridge filter and not have to worry about DE issues.
Thank you for your response, but is this truly torn, or is this by design (and is the end segment)?
 

WonFineDay

New member
Jun 17, 2022
3
California
I am happy to report back that I got everything working again. I reseated the filter a few times, and turned the backwash valve up/down a few times. And lo and behold the DE stopped getting spit back. My take is (i) the filter needs to be positioned a certain way (ii) the split seam is really an end-seam and the filter was not torn. Hope these updates will help someone else in the future. I have sparkling clean water now
😃


A lot (most!) of the DE has been sucked out by the pump but I do have quite-a-bit still at the bottom of the pool. Can the DE be vacuumed? Any other ideas to get the last of the DE out? Thanks!