Thread: Calculating Rock displacement
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Old 06-29-2013, 03:41 PM
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paddyob paddyob is offline
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Default Calculating Rock displacement
Any good rules of thumb for calculating how much water rock displaces?

I'll be dosing a product that says do not overdose. Calculate "exactly" the gallons of tank water.

It's for algae-x. Which still wont arrive til Wednesday. Wish I knew the vendor was on holidays. I would have beat my Dino's by now.
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