Scs 1200 silicone?

[Cammunoz]

So does anyone know whether GE scs 1200 is Aquarium\ reef safe? I was told it was ok and I used it to adhere my overflow? I did research and a lot of people approve but some say it is not suppose to be submerged?



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[mcgyvr]

Its totally fine once fully cured.
It just hasn't been "tested/certified" for underwater/marine use but that doesn't mean it won't be fine.. Just means they don't have the paperwork to back it up..
Any 100% silicone product will be "reef safe" once fully cured.. Some take longer to cure..some are neutral cure vs acetoxy... some bond/adhere stronger than others but all are "reef safe" and can be submerged..

 

[Cammunoz]

Its totally fine once fully cured.
It just hasn't been "tested/certified" for underwater/marine use but that doesn't mean it won't be fine.. Just means they don't have the paperwork to back it up..
Any 100% silicone product will be "reef safe" once fully cured.. Some take longer to cure..some are neutral cure vs acetoxy... some bond/adhere stronger than others but all are "reef safe" and can be submerged..

Thanks! Ok I was looking at the small print on the back and came across this

Or does this mean you won't be able to apply it underwater?


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[Vinny Kreyling]

Since most of the print is NOT in English & FUZZY I have no idea what it says.
Silicone should be applied to dry surfaces anyway.

 

[Cammunoz]

Since most of the print is NOT in English & FUZZY I have no idea what it says.
Silicone should be applied to dry surfaces anyway.

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[mcgyvr]

It just hasn't been "tested/certified" for underwater/marine use but that doesn't mean it won't be fine.. Just means they don't have the paperwork to back it up..

Not for underwater use = They just haven't tested it ($$$$/long time) to get it certified/guaranteed against marine fouling/continual water exposure performance loss/abrasion at boat speeds,etc...

 

[Cammunoz]

Awesome thanks!!!!!! Ur input is helping me a lot! So how long should I leave it dry before filling her up?


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[mcgyvr]

Awesome thanks!!!!!! Ur input is helping me a lot! So how long should I leave it dry before filling her up?


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That depends on bead thickness...
A good way to judge is to spread a test bead when you are done that is as thick as your thickest bead... After 24 hours cut into it and see if its fully hardened..If not wait another 24 hours and cut into it again..

Once you know the test bead is fully hardened waiting another 24 hours isn't a bad idea then it can all take full water contact...