Don't add it all at once. Maybe a third or fourth of what you think you need. I prefer to put it in an old sock, tie the top and drop it in the skimmer. That way you can backwash as needed. Test it again before adding more.
Don't add it all at once. Maybe a third or fourth of what you think you need. I prefer to put it in an old sock, tie the top and drop it in the skimmer. That way you can backwash as needed. Test it again before adding more.
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