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- Sep 7, 2014
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You foamed your waterfall rocks in?
If you're going to use waterfall foam for the first time, practice before actually using it in the pond setting..
It comes out of a new can fairly strongly, so light pressure is required. Wear disposable gloves, or you'll regret it. Remember, it expands so apply it in layers. It requires a minimum set-up of about 15 minutes. If you find that you've applied too much, the excess can be taken off with a knife.
Most people don't have one, but the professional gun is definitely the way to go.
everything he said
Even when you use a little...it blows up and expands a lot. Quite frankly its a MESS! But you gett better effect using it. less water escapes behinds the rocks and gives you a better flow on the waterfall.
Just trim it when it cures