If vitamin C removes it I would say from all I've read here that it's metals.
Read this thread that tells how to remove using ascorbic acid (vitamin c powder).
http://www.poolforum.com/pf2/showthread.php?t=1883
If vitamin C removes it I would say from all I've read here that it's metals.
Read this thread that tells how to remove using ascorbic acid (vitamin c powder).
http://www.poolforum.com/pf2/showthread.php?t=1883
Do you have a heater?
I just replied to your other post. Yes I do have a heater.
Marty
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