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**txg8gxp** · Thu, 28th Jan 2010, 03:09 PM

100% silicone is 100% silicone right? So is all non-acrylic 100% silicone reef safe? Why wouldn't it be? I have some GE silicone 2 black 100%silicone I want to use in my sump, but I thought I would ask first.

**Gseclipse02** · Thu, 28th Jan 2010, 03:19 PM

im pretty sure it was GE silicone 1 that was recommended to use but not sure if 2 will work

**Gseclipse02** · Thu, 28th Jan 2010, 03:20 PM

that was for glass on glass

**txg8gxp** · Thu, 28th Jan 2010, 03:21 PM

Yes glass to glass. I though silicone 1 was a no and 2 was ok. hahahaha

**FireWater** · Thu, 28th Jan 2010, 03:53 PM

I believe the silicone 2 has a mold and mildew chemical in it, that I would not put in the tank. I want to say that 1 is what I used to mount the foam in my tank.

**jesserettele** · Thu, 28th Jan 2010, 04:30 PM

Originally Posted by FireWater

I believe the silicone 2 has a mold and mildew chemical in it, that I would not put in the tank. I want to say that 1 is what I used to mount the foam in my tank.

You've got foam too? man I need to get on the ball.

**Third Coast Tropical** · Thu, 28th Jan 2010, 04:37 PM

Dont use any that contains mold and mildew chemicals in it.

**Gseclipse02** · Thu, 28th Jan 2010, 05:05 PM

its 1 just went and looked at what i had left over.... but were i put it on heavy it kind of turned yellowish no clue why tho

**txg8gxp** · Thu, 28th Jan 2010, 05:30 PM

I have some silicone 2 and it does say not for underwater use. So, I got some silicone 1(no black though...Owell.)

**Gseclipse02** · Thu, 28th Jan 2010, 05:38 PM

AD has the black for 15 i think

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