I used No Mor Problems and my pool still has algae.

I used No Mor Problems and my pool still has algae.

No Mor Problems is only used for prevention. To kill algae present you'll need a rescue algaecide. You can refer to the below table for recommendations:

Algae Type
Recommended Algicide
Mustard
Yellow Treat
Green
Green Treat (mild) or Swamp Treat (severe)
Black
Swamp Treat
Pink
Pink Treat
White Water Mold
Pink Treat



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