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Thread: Hex Waterfall
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post #2 of (permalink) Old 10-08-2012, 05:56 AM Thread Starter
Planted Tank Obsessed
Join Date: Dec 2011
Location: Alaska
Posts: 436
When the rocks looked right, I made a mixture of concrete and colored it with concrete dye. The charcoal worked well and I painted 3 layers of quikcrete onto the waterfall and rock walls. After they all dried, I used acrylic paint to add highlights and tint the rocks the exact color I wanted. I had never used the concrete method before and it worked well. The rocks were very real looking.

Then I built an egg crate stand that would keep the waterfall and planted area above the waterline. The waterfall rested nicely on this stand and then I spray foamed the two pieces together in the tank. I carved the foam once again and then put concrete on to lock the two pieces together forever.

I covered the egg crate with window screen below the waterline and then spread a layer of silicone onto the screen. It took some tender loving care, but I was able to press rocks into the silicone and it held really quite nicely.

Last edited by Learner; 11-23-2013 at 06:17 PM. Reason: room
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