Hi,

I have a dilemna with a pool that I have built of which I haven't seen to this extent before. Maybe other pool owners have dealt with this.

Pool : 20 x 40 vinyl liner inground . salt system. Hayward s244s sand filter with zeobrite media.

Problem: the pool floor especially in front of the jets is covered with extremely fine white dust. At first we thought it might be a broken lateral but the dust really wasn't the consistency of the zeobrite that you would expect to see. We vacuumed it off and it came back. We removed the zeobrite media in the hayward sand filter and checked the filter laterals and all were intact. I've built hundreds of pools exactly like this with this never happening to this extent before. Can anyone help with this puzzle?

By the way, even though I've built pools for decades, I've been looking to Ben and this site for answers since I found it over 10 years ago and have to say it is the best place to go online for advice.