Coral Gum Instant - Tunze

Tunze Coral Gum Instant
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  • Tunze Coral Gum Instant
  • Tunze Coral Gum

Quick Overview

Why does BRS recommend this?


One of the fastest setting epoxies we have ever used, and is great for mounting large corals, or aquascaping.  The Tunze Coral Gum is really nice as it doesn’t have the traditional epoxy smell like most other on the market.


Coral Gum instant is a two-component coral adhesive for safe cementing of coral fragments to rock, frag plugs or frag disks. No deleterious matter or adhesive residue is introduced into the aquarium water.



  • No odor and does not stick to your fingers

  • Remains semi-flexible and withstands high loads

  • Easy to mix, sets quickly and is unbreakable

  • Cures to a purple coralline color

  • Fresh-water and marine aquariums

More
  • Quick Overview

Why does BRS recommend this?

One of the fastest setting epoxies we have ever used, and is great for mounting large corals, or aquascaping.  The Tunze Coral Gum is really nice as it doesn’t have the traditional epoxy smell like most other on the market.

Coral Gum instant is a two-component coral adhesive for safe cementing of coral fragments to rock, frag plugs or frag disks. No deleterious matter or adhesive residue is introduced into the aquarium water.

  • No odor and does not stick to your fingers
  • Remains semi-flexible and withstands high loads
  • Easy to mix, sets quickly and is unbreakable
  • Cures to a purple coralline color
  • Fresh-water and marine aquariums
More )

Coral Gum Instant - Tunze

64% Recommend this to a friend (9 of 14)

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120 g Coral Gum Instant - Tunze
SKU: 208023
$22.32
 
 
400 g Coral Gum Instant - Tunze
SKU: 208024
$50.10
 

Availability: In stock

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Product Questions

Do the mating surfaces need to be dry and clean? Can the Gum be used to affix a wet frag to a submerged rock?
Question by: Paul Himmelman on Mar 28, 2016 7:12:00 PM
Great question!
This can easily be mounted to wet surface. By pressing the epoxy into the rock it will harden onto the imperfections on the rock. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Mar 29, 2016 3:02:00 PM
Can I use this product to connect live rock together under water? Sort of a second measure to prevent rocks from falling over.
Question by: Spencer on May 20, 2016 4:43:00 PM
Yes, this product will work great for that application.
Answer by: Carter (Admin) on May 24, 2016 12:06:00 PM
You have both 104.75 and 104.76 pictured but I can't pick the product I want when placing the order. Which is which? I want to order 104.76.
Question by: Robert on Apr 11, 2014 11:21:00 AM
Hi Robert,
The only difference between those two models is the size of the container. The 104.76 is the larger 400g container.
Answer by: Bulk Reef Supply on Apr 11, 2014 11:21:00 AM

Full Details

104.75 Coral Gum Instant 120g (4.23 oz)

104.76 Coral Gum Instant 400g (14.11 oz)


Coral Gum Instant Instructions Manual

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Reviews

Items 1 to 12 of 14 total

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  • Works well but is expensive By Clint on 5/16/2016

    I really like this stuff but man is it expensive. I went through the 120 gram container mounting 4 frag plugs to my live rock.
  • Easy to mix, but ineffective By KC on 1/19/2016

    Well, I had great hopes for this product... and it does well if you don't put any pressure on the bond. Very neat and clean tho'. I have to recommend E-Marco-400 which easily reconnected my Real Reef Branch Rock which arrived shattered in many pieces. (BRS shipping department sent the rock with a 20 lb. bag of sand-UGH!!) Yes, E-Marco is a little messier, but forms a strong, solid bond in 20 mins. I tried reattaching the many pieces with both products. While the Coral Gum has a near instant bond, that bond does not hold - so no rock to rock use. It might work better if you were trying to cement a frag down into a hole... but not flat to flat surface grip.
  • Great Product By Nate on 11/26/2015

    I have just tried this out for the first time today and was really impressed with it. The gum is super soft and easy to mix and work with and doesn't leave a mess on your hands or in the water. The coral stuck at least as well as any other epoxy that I have used. Another thing that I really appreciated is that it didn't seem to negatively affect my skimmer like other epoxies.
  • Awful By Vaesive on 10/23/2015

    Tried Coral-to-frag, frag-to-rock and rock-to-rock bonding the epoxy doesn't stick. If you somehow do get it to stick, it easily pops off with very little force. Do not recommend.
  • No mess, works great! By James on 8/15/2015

    This stuff is awesome! Mixes with wet hands, no mess, not really any smell, and definitely holds. Just make sure you mix it really well with your fingers, and like some people have said it is epoxy not glue. You do have to press it into something (the rock) really well so it can harden and stay. If not it will not do what you want it too.
  • No Mess By JEMM55 on 7/14/2015

    No Mess
  • Works Well By Q on 1/10/2015

    I bought this to use on my aquascape. I used it create tree like structures with the rock, I did use acrylic rod in the middle but used this to hold things together. I can say that it works. Ultimately, it is epoxy and not glue, so if you want it to stick to rock, make sure you push it into the rock well.
  • good and easy 400g only By Ryan on 12/29/2014

    Two part 400g mix that we like lot here at ReefDVMs. Dont care for smaller size one works only so so. 400 is different then 104 by the way
  • Simply the best By Bert on 7/3/2014

    For me, this is simply the best. Zero smell. It works outside my tank or underwater. My skimmer does not go nuts as is the case with every other epoxy I've tried.

    To attach a frag, I generally put a dab of BRS thick glue on it, followed by a small bit of mixed "gum", with another small dab of BRS thick glue on top of that. In it goes to my tank, a quick press into place with a slight turn. Hold for a few seconds, and it's there.

    The only disadvantage I see to this produce is the price. Definitely on the high end!
  • Not worth the money! By Brian on 5/14/2014

    What a waste of money. I tried to stick a frag to a piece of rock and it just fell off. I had a $200 dollar Harlequin Tuskfish pick it up and almost swallow it. I'm just upset it cost as much as it did to not work.
  • Did not hold very well. By David on 4/21/2014

    The material feels nice in the hands and would be great if it held more strongly. The most success was with coral-to-frag bonding. Almost useless was rock-to-rock bonding, with frag-to-rock bonding a close second.
  • Somewhat Pleased By Geoff on 4/9/2014

    Easy to work with and does not cause skimmer to over-react; however, it does not cure to a purple coralline color. The epoxy stands out like a sore thumb.

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