Coral Gum Instant

Grouped product items
120 g Coral Gum Instant

SKU: 208023

In stock


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400 g Coral Gum Instant

SKU: 208024

In stock


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Why does BRS recommend this?

Tunze Coral Gum is by far our favorite two-part epoxy to work with for frag mounting. Coral Gum is a fast setting epoxy that gives you just enough time to get the frags in position, but it sets much faster than other aquarium epoxies so that you don't have to sit around holding the frags in place forever. It's great for mounting larger frags and small colonies because it will set up quickly and hold them in place, and also works well for small aquascaping projects.  The Tunze Coral Gum is really nice as it doesn’t have the traditional epoxy smell like most others on the market.


Coral Gum instant is a two-component coral adhesive for safe cementing coral frags to rock, frag plugs or frag disks. Coral Gum mixes up extremely clean and does not have any adhesive residues that will get on your hands or in your aquarium. 

  • No odor and does not stick to your fingers
  • Remains semi-flexible and withstands high loads
  • Easy to mix, sets quickly and has good strength
  • Cures to a purple coralline color
  • 100% Reef Safe


Two Sizes Available:

  • 104.75 Coral Gum Instant 120g (4.23 oz)
  • 104.76 Coral Gum Instant 400g (14.11 oz)


PDFCoral Gum Instant Instructions Manual

More Information
Adhesive Type Epoxy
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Product Questions

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 PM
Yes, this product will work great for that application.
Answer by: Carter on May 24, 2016, 12:06 PM
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 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 on Mar 29, 2016, 3:02 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 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 AM