| Re: what is OPR?
Are you sure you meant OPR and not ORP?
ORP is oxidation-reduction potential. ORP and the Reef Aquarium by Randy Holmes-Farley - Reefkeeping.com
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Rick My 75 gallon Quote: |
Originally Posted by BEELZEBOB moral of the story, dont wiggle things at cane spiders | .(\_/) This is Bunny.
( x x ) Copy Bunny into your signature to help
c(")(") him on his way to becoming a coat.
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