Aquarium caulk question

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mtlion

Aquarium Advice Freak
Joined
Dec 28, 2008
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347
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PA
I need to seal up a small leak on my sump and was looking at using the aquarium caulk to do this. My question is if you can use the caulk on a wet surface, or do you have to dry it first. I am currently curing my LR and want to keep the filtration running if possible. Thanks!
 
By caulk do you mean aquarium silicone? The clear stuff?

I'd let it dry out. It's not going to affect the curing process as long as you have some way to maintain some flow around the rocks. Let the area dry, set the silicone and let it setup for 24 hours. You'll be fine.
 
I will have 2 Koralia 4 powerheads running when filter is off is that ok?
 
The glass has to be clean and dry.
Then it needs to cure for 24 hours or so.
If the leak is where two pieces of glass come together, I run about a 1/4" bead then use my finger to make it concave. After it's dry, you can trim with a single edge razor blade.
Charles
 
Or, lay painters tape where you want the edge, then run the bead, let it sit about 5 minutes and pull the tape - boom; clean edges

Yes, with 2 K4s you'll be fine for a few days even in there for just curing.
 
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