DIY 3d rock background

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kimmysparks

Aquarium Advice Newbie
Joined
Dec 16, 2013
Messages
7
ok i have an established tank i am going to decorate. I plan to use foam board to make a rock wall across the back of my aquarium coat it with cement and silicone it to the back.

I have been watching you tube videos on how to do it but the question i have is regarding the cement. I have seen where they say to fill and drain the aquarium like 8 times to wash the cement so it doesnt jack up the pH but thats a lot of water for my 75 gallon tank not to mention all the bucket lifting. Do you think i could fill a container of water and soak it overnight then put it in my tank and be safe?
 
From what I understand of cement...its going to raise your ph a little anyway. I think most of it is going to be making sure that you have cleaned it well enough. Otherwise is it a possibility to take the tank outside for a half day? Hose fill and drain a couple times? Good luck and make sure you share photos when you are done.
 
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