Quote:
Originally Posted by lastlight
Before I mounted my rock background I attached these anchors underneath my overflow box. These will stabilize the rock work which is going to cantilever out a fair bit I think. They're large enough to fish a few long zip ties through them. An additional anchor will likely be place at the foot of the rock tower to keep the bottom from sliding around.
A little bit of insurance until I have sand in.

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Man that freaks me out...looks cracked....