Thanks for the reply, seems like nobodies entirely sure on this matter. I signed up and asked in a new thread because I've read just about every thread on the subject I can find and I'm none the wiser! Haha.
I bought 2 regular 'windows and doors' silicone tubes yesterday for like £4 each ($8+) then caved in and shelled out £10 ($20+) for a tube of aquarium building silicone.
I'm not sure which I'll use... I could take back either and get my money back, I think I'll use the aquarium stuff UNLESS I'll need more than one tube?
I'm going to use it to coat the rear wall and part of the side walls (18x24inch) then foam over it, then coat the foam. Will one tube be enough?
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