I see it laying at the bottom, usually catching any floor seams, etc.
All was installed in 2009 and no changes of sand, etc., since.
Here's what I've done, tried to do:
1 - backwash. tried it once, didn't have enough water in the pool and ran below skimmer. Next day, had plenty of water, ran it for at least 3 minutes. I know they say to look for clean water, but that's tough to see. I did hold my backwash hose over a white trash bag, which helps see greyish water get clearer, but. I then rinsed.
2 - I tried the cleaning of the filter, but am not certain I'm doing it right. I lifted the lid off the filter and honestly right then I saw debris wash over the top. I did put a hose in, but didn't see much debris after that initial. I gently push the hose down toward the sand, etc.
What I didn't do was remove the entire top of the filter. Should I have disconnects my hoses and completely lifted the top off and out of the filter.
To make matters worse, I now have sand in my pool. Not a lot at all, but my skimmer sock is showing it.
I've read this thread:
Explain it to me like I'm a four year old.