It doesn't seem gritty. When it first appeared, water was cloudy/green and I shocked the pool to the right chlorine levels given my CYA. Water has been clear since.
But it keeps coming back. Pretty baffled here.
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Butterfly
Post subject: Re: Is this yellow algae...?
Posted: July 29th, 2012, 5:21 pm
Mod Squad
Joined: May 30th, 2007, 8:57 pm Posts: 7694 Location: South Carolina
Post a full set of test results and tell us how you got them.
Welcome to the forum
_________________ TFP Moderator TF100 Test Kit - Pool Calculator -Pool School - Support This Site - Chlorine/CYA Chart You're done shocking when: 1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear. "The person who says it cannot be done should not interrupt the person doing it." Chinese Proverb
anonapersona
Post subject: Re: Is this yellow algae...?
Posted: July 30th, 2012, 9:11 am
Lifetime Supporter
Joined: November 5th, 2008, 7:13 am Posts: 2366
What happens when you brush it?
_________________ 23,000 gallon in ground pool with rock waterfall and spillover spa, Aqualink control system, Polaris 380 cleaner, Purex Triton Clean&Clear Plus cartridge filter. Located in The Woodlands, Texas.
Pool owner since Nov 2008, Trouble Free since April 2009. Happy to help when I can.
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