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#2
03-30-2013, 02:07 AM
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Hydrochloric(muriatic) acid. To do the 50lbs it took me 2 gallons of acid and maybe 4lbs of baking soda to neutralize it. I basically did a couple medium sized peices of rock at a time in an old salt bucket. 9 parts water to 1 part acid. I left all my rock in for about 10 hours at a time. Tested the solutions ph and if in acceptable levels dumped it down the drain, if not add baking soda. Total cost was about $30. If you have any questions you can shoot me a pm.
Trevor 
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#3
03-30-2013, 03:48 PM
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So using the acid will eat off all the rotting matter.
Then follow that up with lots of rinsing. Does the acid have a residual effect on the rock? How long should the rock soak for after the acid bath & before entering into the tank? Do I just start a regular cure on the rock afterwards? Where is a good place to pick up some of the acid?
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#4
03-30-2013, 03:58 PM
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Quote:
2. No residual effect but that it will/can change the structure/look of the rock since your throwing a lump of calcium carbonate into acid. 3. I've soaked for different time periods from an hour to overnight. 2-4 hours is good...but depends on what your trying to get off. I've let it go for 10-12 hours for a tough piece and also to experiment. Let the rock soak in tap water and the baking soda for a again a good couple hours...depends on how big the rock might be. 4. Don't need to cure the rock afterwards because it's (should be) 100% dead. What you might want to do is seed the rock to get life growing on it once again. Last edited by ckmullin; 03-30-2013 at 04:00 PM.
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