There is sand at the bottom of my above ground pool that keeps coming back.

[Watermom]

Is it possible that it is just dirt/dust?

My pool has a vinyl liner and underneath it is a foam pad that is taped together with tape. You can see these lines underneath my liner. I can vacuum my pool and have it look spotless but then hours later when the water quiets back down, the dirt/dust that is in suspension while I am vacuuming drops back down and always resettles in those 'lines.' No matter how slowly I move that vac head around and no matter how spotless it looks when I am finished with the vac, it reappears. This was also true in my previous liner pool. It is no big deal, though. Of course, I want my pool perfect but hey, there is dirt out there in the world and there is no way I'm going to keep it out of my pool. As soon as we get in to swim, that little bit of dirt gets swished around back into suspension again and you can't see it.

Could this be what is happening in your pool?

[aylad]

Is it just on the bottom, or is it also forming on the sides?

[AnnaK]

It could just be dirt and dust, like Watermom said. That happens to all pools. You might try using skimmer socks. They do catch a lot of this fine debris.

Do you have steps that are weighed down with sand? If so, could that be your sand source?

[confusedpool]

I suppose you're right. Thank you!