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#1
12-20-2011, 09:56 PM
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My last tank was about 1/2 DIY rock. Molded in crushed coral/sand. I'd never do it again, too much of a PTA and it took forever to cure. This time I went with Marco Rocks, so much easier, and nice porous rock.
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#2
12-20-2011, 10:07 PM
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Heres what I do for mine, 1 part portland white cement, 3 parts crushed oyster shells (get it from a UFA or place like it), and 1-2 pars coarse rock salt. Dont ad to much water, make it really thick. Then get wet sand, dig your molds, pour in the mix, then throw some sand over top. Wait 24 hours. Then your good. Let it sit in diluted in vinegar, then put it in salt water.
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Brandon Royston
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#3
12-21-2011, 02:22 AM
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I used the garden to make my molds. Make whatever you can think up in the dirt. I pushed a cup into the dirt in three places in a triangle and poured my mix over it. Now I have a shelf on a legs that I pile all my other rocks on. It's fun but agreed its a PITA to cure. Took a few weeks in a garbage can with daily water changes that can go longer as it ages. I would do it again but chuck them in a large body of water to cure.
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#4
12-21-2011, 02:30 AM
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I was considering using dirt or sand for molds but I would like to save and reuse the molds so I decided on styrofoam blocks. I will use blocks around 1'x1', then make the negative molds. I will use plastic bags filled with newspaper for the inner forms so I can make caves and tunnels, etc
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There's only two people in the world that I trust. One of 'em's me,...the other's not you.
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