Is this mustard algae?

mrsk920

Member
Jun 25, 2018
16
Brick, NJ
Pool Size
10000
Surface
Vinyl
Chlorine
Liquid Chlorine
All season I’ve been finding what I think is sand in the pool. I vacuum the pool with a skimmer sock to get it out and then every time I run my filter more appears but I’m not actually sure now if it’s sand or mustard algae. Can anyone tell from these pics?
 

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ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
29,032
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
What brand and specifications of sand is in your filter?


 

mrsk920

Member
Jun 25, 2018
16
Brick, NJ
Pool Size
10000
Surface
Vinyl
Chlorine
Liquid Chlorine
Also I should mention this also happened last year and I changed out the valve/spider gasket and laterals Bc I thought that would solve the problem as I read on a few other posts. The sand was changed at the same time.
 

ferretbone

In The Industry
May 24, 2016
161
tx
It's sand not algae. open the multiport top and look for a loose spoke, or check the air releaf screen in the filter, and make sure the tube goes all the way into the return pipe.
 
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