Quote:
Originally Posted by Fishward
What is "Randy's two part additive"? is it a DIY mix? or available in stores?
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Its a DIY mix, Littlesilvermax (chemmaster) and BRS sell the materials you need. Its way cheaper than buying the store bought. Here is the link
http://www.reefkeeping.com/issues/2006-02/rhf/index.php
And a handy calculator for it.
http://home.comcast.net/~jdieck1/chemcalc.html