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baily2000

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Hi all,

What is the overall opinion on underwater glue to use for coral frags and live rock? What works well? What dosen't? I want to attach some coral that is currently on the bottom of my tank to the sides of my live rock(shrooms,polyps)

Thanks to all :goldfish2
 

Josh

in the coral sea...
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You either need cyanoacrylate for attaching coral frags or epoxy putty for attaching items that already have a live rock base.

According to my records, IC Gel cyanoacrylate is the most popular. :yeah:

If you need some of this glue do a search for it here and you will find what you are looking for.
 
D

DEEPWATER

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You either need cyanoacrylate for attaching coral frags or epoxy putty for attaching items that already have a live rock base.

According to my records, IC Gel cyanoacrylate is the most popular. :yeah:

If you need some of this glue do a search for it here and you will find what you are looking for.


99% of the board buys and uses IC Gel glue !!! best stuff around :groupflip and well worth the price :Hydrogen:
 

baily2000

Junior Member
Location
LI
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Thanks again guys..as far as Putty what do you all recommend. I will be trying to attach some small-med live rock with coral attached to bigger live rock. I assume the Gel is for coral to live rock only. I sthis correct?
 

Josh

in the coral sea...
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I assume the Gel is for coral to live rock only. Is this correct?

Not necessarily, but cyano is more brittle than epoxy. Epoxy is better for larger rocks glued together, a lot of cyano on some medium rocks will do the trick but the epoxy offers more give when you are moving things around later.

Only thing with epoxy is that your skimmer may go nuts later if you didn't fully mix it or used lower grade epoxy. Whereas cyano releases virtually nothing into the water stream and if you are not buying it right off the street then it will usually be chemically very stable in your tank.
 
Last edited:

crox99

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Merrick
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You either need cyanoacrylate for attaching coral frags or epoxy putty for attaching items that already have a live rock base.

According to my records, IC Gel cyanoacrylate is the most popular. :yeah:

If you need some of this glue do a search for it here and you will find what you are looking for.

Can you use the IC gel underwater?
 

baily2000

Junior Member
Location
LI
Rating - 100%
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Excellent question...Can you use the Gel glue underwater? I cant imagine taking out some large rock I have in my tank, additionaly, to attach rock to rock can the gel be used successfuly or is that just for light weight frags and such? AS far as epoxy is concerned, which brand is used and recommended by you all??

Thanks!!!
 

Josh

in the coral sea...
Vendor
Location
Union Square, NY
Rating - 100%
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Excellent question...Can you use the Gel glue underwater? I cant imagine taking out some large rock I have in my tank, additionaly, to attach rock to rock can the gel be used successfuly or is that just for light weight frags and such?

You can use most of the gel glues underwater. You can't really use it to attach large pieces of rock together underwater, I'm sure it can be done but you wont make a tight bond and the next time you move the rock it may break.

If you want to attach large pieces of rock together with gel, it is best that you take it out of the water, dry off the area you want to use and create a very dense and solid glue spot. Also, it is better to attach areas that are strong yet porous so you make a tight connection. If you slap two pieces of rock together, you may only be gluing the coralline algae and it could break eventually.

I haven't used any putty for a while, but I think a decent manufacturer is Aqua Stick.

There was a discussion about using a cheaper variety from Home Depot which is apparently chemically identical to the expensive branded "reef epoxies". You should research it a bit more if you are going to use a lot of it and need to cut costs.
 

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