You need to hold that shock level until the algae is gone, testing and adding more bleach as needed. Letting your chlorine yo-yo up and down like that won't ever let you get ahead of the algae and kill it.
Janet
You need to hold that shock level until the algae is gone, testing and adding more bleach as needed. Letting your chlorine yo-yo up and down like that won't ever let you get ahead of the algae and kill it.
Janet
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