Thread: Preparing Rock
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Unread 02/05/2017, 02:22 PM   #2
Ron Reefman
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Join Date: Jul 2009
Location: Cape Coral, FL
Posts: 10,431
Having rock that is full of holes because it is better for surface area for good bacteria to breed is a very good thing. And in the set up of new tanks that I've done, I always assumed (not a good thing) that there would be good holes where I could stick frag plugs. And that has never turned out to be the case for me. I've been close, but never enough.

So I'm going to redo my now 6 month old 125g DT because I feel like half my tank is wasted space behind the rock island. I had the bright idea (well... I think it's bright) to drill 3/8th inch holes in the surface of rocks I intend to be exposed for coral placement. I started drilling some holes and found that having frag plugs just drop almost snugly in works really well, at least dry and on my workbench! I had some rock that does have a lot of natural holes but when I tried to test fit a frag plug it really didn't fit well, if at all. So I did a little drilling of the natural holes as well and now the frag plugs fit way better.

I figure after 6 months the holes I don't use will have something in them. Maybe coraline, or micro stars, or who knows what! It's just an idea and I'll show what I did and the results in my build thread as I move forward.


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