Another question: I see that some folks have stated they "cleaned the filter" after the algae was cleared up. I have a sand filter that was just changed in June. Do I need to change the sand again (I hope not).
Re: Mustard algae - first time infection
Another question: I see that some folks have stated they "cleaned the filter" after the algae was cleared up. I have a sand filter that was just changed in June. Do I need to change the sand again (I hope not).
Re: Mustard algae - first time infection
You'll just need to backwash the filter.
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