You want the glue you use in your tank to be 100% cyanoacrylate. It has been awhile since I have discussed what the ones that aren't such do...but if I remember correctly it can leach into the water column. I'm personally a fan of the super control gel that Loctite sells.
The gel kind
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Fancy bottle that lets you use it underwater with ease. Just simply wipe it off with a paper towel when you are done.
So you don't have to drain the tank or remove bits and pieces?
You can just apply whilst underwater?
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Depending on how large the frag is, that 2 part putty works good too-
Aquarium Aquascaping & Coral Propagation: Two Little Fishies AquaStik Epoxy Putty
Depending on how large the frag is, that 2 part putty works good too-
Aquarium Aquascaping & Coral Propagation: Two Little Fishies AquaStik Epoxy Putty
So you don't have to drain the tank or remove bits and pieces?
You can just apply whilst underwater?
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