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Viewed: 230 -- Replies: 5 | ||||||||
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| Posted | Use of silicon sealant |
| 01-03-2007 08:14 by Terry CB |
I'm in process of tidying up my 5' second hand tank, one of the jobs was to cover an 11/2" hole half way up the back glass (used as outlet for a sump system) I bought a 4" square piece of 10mm glass and have stuck it over the hole using silicone sealant (suitable for aquarium use) also put a bead around the outside edges of the patch. I did this yesterday. I intend to changeover from my existing tank to the "new" one next week. The question is are there any issues relating to this ie should the sealant have cured sufficiently and be inert say 5 or 6 days after using it.? Does it need washing over with warm water or something?. Thanks Terry |
| 01-03-2007 08:42 by Phill Austen |
It should be fine, the only problems that I have ever heard of are related to silicone rubber that is formulated for building use it has a fungicide in it that can kill fish if it is used in aquaria! |
| 01-03-2007 09:49 by Alan |
One thing that springs to mind have you put the glass patch inside or out side the aquarium? If outside you will have to remove it and put it inside.
You need the pressure pushing the glass together instead of apart otherwise you will end up with a leak very quickly. Normally 48 hours is sufficient for curing silicon sealant for aquariums I would suggest you test the seal is tight so fill the tank and leave it for a day while you are at home so you can keep an eye on it. |
| 01-03-2007 10:53 by Terry CB |
thks for the messages, I did think about the pressure thing and put the patch on the inside. |
| 01-03-2007 13:53 by Ste |
Hi Terry A ggod guide line is , if you wait until the aroma of silicone has gone which can take 2 to 3 days , then the tank will be safe to use |
| 01-03-2007 15:54 by Ray |
how can it make any difference whether the patch is inside or out,if it could leak why dont our tanks burst  |
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