If it is definitely filter sand, it pretty much has to be an issue with the laterals or standpipe or the sand is too small.
Different sand has different sizes. Some sand has mixed sizes and the smaller particles can go through the laterals.
If the sand if definitely coming from the returns, then reexamine the laterals and maybe go to a larger size sand.
The multiport can’t cause the issue unless the multiport was plumbed incorrectly and the water was going backwards.
Hi, I'm gather the material to swap out the sand on my Pentair Tritton II TR 140 sand filter. Went to one local hardware store last night and got the last seven bags of pool sand they had. Today I went by a different chain and bought what they had. So now I have almost enough. When I got...
Ok well today I finally got all my parts from Intex to fix my problem I was having with my sand filter. Here is a link to that thread which I will update as well http://www.troublefreepool.com/threads/101906-New-Pool-Intex-Customer-Service-Long-Post-lol So basically for the sake of this thread...