Is this Mustard Algae? Please help

3FootPool

Well-known member
May 29, 2011
48
Boston, MA
Pool Size
18000
Surface
Vinyl
Chlorine
Liquid Chlorine
Pool looks clear right now but I see a bunch of greenish-yellow sediments on the floor. When brushed, it turns into dust and clouds the pool. The sediment is all over the pool and in no particular spot. It was way worst a few days until we SLAM and now pool is clear but still see these sediments. Is this mustard algae?
 

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Pool looks clear right now but I see a bunch of greenish-yellow sediments on the floor. When brushed, it turns into dust and clouds the pool. The sediment is all over the pool and in no particular spot. It was way worst a few days until we SLAM and now pool is clear but still see these sediments. Is this mustard algae?
Did you continue the SLAM to meet all three exit criteria? You can do an OCLT to see if it’s algae. What are your water test results?
 
Is this mustard algae?
Probably.



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