reef safe foam

[new_world_disor]

ive seen a few tank set-ups with foam used to cover the rear interior. what is safe to use ?

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[barbra]

Great Stuff:

http://greatstuff.dow.com/

[new_world_disor]

so i can use normal houshold insulation foam ? does this not harm the tank ? do i just let it go hard then fill the tank with freshwater several times ? and how does everyone get theres black ? or is it just different stuff ?

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[chrissreef]

I dunno if normal foam is "ok" to use... infact i wouldn't use normal stuff unless someone showed me a specific product they've used in the past.

i did go to the pond section of home depot and they had some foam stuff - fish safe.

someone messaged me on RC with this.

"black expanding foam came from aquatic eco systems" - but they said it doesn't stick to glass and to use egg crate on the glass for the foam to stick to. GL!

[barbra]

Great Stuff is used quite a bit for aquariums. You can search the forums here for threads such as this one:
http://archive.reefcentral.com/forums/showthread.php?threadid=522988

Or this one:
http://archive.reefcentral.com/forums/showthread.php?s=&threadid=1132496