co2 reactor silicone - The Planted Tank Forum
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post #1 of 19 (permalink) Old 09-08-2011, 08:41 PM Thread Starter
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co2 reactor silicone

hey i just used a tiny bit of aquarium silicone to seal the hole around the airline tubing in my CO2 reactor its been sitting for about 5 hrs now, do i really need to wait 3 days for it to cure or can i fire up my reactor?
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post #2 of 19 (permalink) Old 09-08-2011, 08:44 PM
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Was the tubing a real tight fit? That small amount of silicon doesn't worry me from the toxicity side but leaks aren't fun. I sealed that hole with a little PVC cement as I installed the tubing.
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post #3 of 19 (permalink) Old 09-08-2011, 08:50 PM Thread Starter
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Yeah the tubing is tight the only thing im worried about is the toxicity
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post #4 of 19 (permalink) Old 09-08-2011, 10:16 PM
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3 days is overkill but I would give it at least a full 24 hours to be safe.
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post #5 of 19 (permalink) Old 09-09-2011, 12:02 AM
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If the silicone is on the outside of the joint then i wouldn't worry at all about toxicity.


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post #6 of 19 (permalink) Old 09-09-2011, 12:55 AM
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The silicone won't hold to plastic. You didn't accomplish anything.

good luck

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post #7 of 19 (permalink) Old 09-09-2011, 01:18 AM
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Never heard of silicone not holding to plastic.


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post #8 of 19 (permalink) Old 09-09-2011, 03:07 AM
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the rim of an aquarium is usually plastic, and is held on with silicone.
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post #9 of 19 (permalink) Old 09-09-2011, 03:13 AM
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If it is aquarium silicone then "toxicity" is irrelevant as that stuff is not toxic. Just kick your reactor on.
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post #10 of 19 (permalink) Old 09-09-2011, 03:55 AM Thread Starter
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got everything glued up and hooked up and realize my reactor is too short
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post #11 of 19 (permalink) Old 09-09-2011, 04:03 AM
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Stroke it a little


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post #12 of 19 (permalink) Old 09-09-2011, 04:04 AM Thread Starter
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knew that was "coming"
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post #13 of 19 (permalink) Old 09-09-2011, 01:24 PM
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post #14 of 19 (permalink) Old 09-09-2011, 08:30 PM
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there are different 'plastics'

I did notice that the silicone bond (because I just built a reactor as well) to the pvc pipe was pretty easily pulled off (it stuck but just not very well).. I am planning on just being very careful not to mess with the seal too much until I get around to putting something more permanent .. like epoxy or jb weld..


make sure you are not using a silicone with mildew resistance built in

oh.. and mine was long enough
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post #15 of 19 (permalink) Old 09-11-2011, 04:37 AM
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Quote:
Originally Posted by jreich View Post
the rim of an aquarium is usually plastic, and is held on with silicone.
He should have said that silicone doesn`t bond to plastic very well. Have you ever tore the plastic rim off an old aquarium? It's not that hard to do. Tearing a glass pannel off is much harder.
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