Spray glue - The Planted Tank Forum
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post #1 of 6 (permalink) Old 12-14-2013, 05:14 PM Thread Starter
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Spray glue

I need to glue together two large foam pieces. Is there any spray glue what's aquarium safe?

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post #2 of 6 (permalink) Old 12-14-2013, 05:39 PM
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In my experience, most spray glues will melt styrofoam. Hot glue might be a better option and is 100% aquarium safe.
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post #3 of 6 (permalink) Old 12-14-2013, 05:47 PM
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Many sprays will eat foam. I believe it is the stuff used as propellant. I find silicone does foam better. You just need to give it plenty of time to dry if it is deep between two sheets where there is little air.
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post #4 of 6 (permalink) Old 12-15-2013, 10:26 PM Thread Starter
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Spray glue

I was hopeing for a solution that will easily give a super thing layer, and dry quickly. Guess hard way is te only way to go?

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post #5 of 6 (permalink) Old 12-17-2013, 12:03 AM
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What are you using the foam for?

If you are building backgrounds and such, you can just use toothpicks or something to hold the foam together while you are working on it, and then the final coating (epoxy, silicone, great stuff, whatever) should hold the pieces together more permanently.
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post #6 of 6 (permalink) Old 12-19-2013, 01:53 AM
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If you can, use 100% silicone. I've used the cheapo GE 100% silicone in three different aquariums, and haven't had any problems. If you call their number, they won't tell you it's aquarium safe (they probably have a more expensive product for that) but I haven't had any problems whatsoever, and the silicone has been in my tanks for a couple years now. You can get a caulk tube of it for five bucks at your local hardware store, but you'll need a caulking gun as well. Probably another 5-10 bucks.

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