Sludge on vacuum filter

hbg

Member
Jun 30, 2024
5
Arkansas
Pool Size
18000
Surface
Vinyl
Chlorine
Liquid Chlorine
I am wondering if anyone has had this sludge substance after vacuuming using a battery powered vacuum. I have a sand filter and am curious if this is from the sand filter or being caused by something else.

The substance is a thick, creamy sludge.
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How's your skimmer basket look at the pool and also at the pump? Might want to update your info with pool size and pump and filter etc if you can as well.
 
The skimmer baskets never look like that when I check them. The pump skimmer basket normally holds a lot of water Beatles (that’s a huge problem for me too).
 
What happens when it dries? Any graininess at all?

Have you ever used any products in your pool besides chlorine, CYA, etc.? Do you add anything via the skimmer?

When is last time you opened up sand filter?
 
When it dries it is almost chalk like. I have had to put phosphate remover in due to high levels.

I usually shock every week - week and a half. I put chlorine tabs in filter 1-2 times a week.

I have zeobrite that was just changed before I opened it this year.
 
When it dries it is almost chalk like. I have had to put phosphate remover in due to high levels.

I usually shock every week - week and a half. I put chlorine tabs in filter 1-2 times a week.

I have zeobrite that was just changed before I opened it this year.
Chlorine 3" tabs in filter? As in the basket in skimmer or actual filter or the pump skimmer.
 
I take my water sample to my local pool place to be tested. I usually take it weekly and my last test showed all levels to be within normal range.
 

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