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Coral glue: how to use it and which one to choose

Coral glue: how to use it and which one to choose


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Coral glue: how to use and which one to choose to glue soft or hard corals, to glue cuttings or live rocks, dry or directly in the marine aquarium.

Are you struggling with your first marine aquarium and would you like to make the appearance of your tank more pleasant? Here she iscoral gluecan be a very useful tool.

How to glue corals

Formake corals stick to rocks, in addition to glue, you can use more natural methods such as:

  1. A pin that goes to stop the coral in the same position for a certain amount of time necessary for taking root.
  2. A suction cup and a pin, so as to stop the coral as described in point 1.
  3. Cable ties for electricians, especially useful for attacking soft corals that can be cut.
  4. Weights such as stones or interlocking rocks.

As you understand, these are a lot of methodscreative, which leave ample room for imagination. The one of the sucker was useful, for example, to make the xenia pumping take root on a rock placed vertically close to the glass!

If you don't want to use too elaborate methods and prefer to play it safe, then thecoral glueis what it does for you.

Coral glue

For corals, a cyanoacrylate glue is used, yes, now you will think that Attak is suitable, in fact even the attack is a cyanoacrylate-based glue but may contain traces of heavy metals. It is for this reason that I advise you - for a few euros more - to choose a specific glue which, although not natural, can respect the balance of your small marine aquarium.

Where does coral glue appear? In the most well-stocked aquarium shops. Sometimes shopkeepers advise against the use of coral glue just because they don't have them. Alternatively you can take advantage of the online purchase, on this Amazon page you can find the instant coral glue fromseachem (Reef Glue). From my experience I can tell you that it is a very good product but that to keep it longer, once opened, you should keep it in a cool place (in summer I keep it in the fridge).

It is a cyanoacrylate glue and you can use it forglue the corals to the rocksor multiple coral colonies between them. You can also use it to glue two pieces of live rock but, considering the cost, it doesn't suit you because a lot of product is needed to fix two medium-sized rocks together.

How to use coral glue

First of all it detaches the filter, skimmer and movement pumps. The water must be still. Apply enough glue directly to the base of the coral to be glued.

With the product I recommended, as well as most of the instant cyanoacrylate glues - but not all - you can also do it directly in the water! As a matter of practicality, I recommend that you extract the coral from the water.

Here's how you need to proceed: extract the coral from the water, dab it with filter wadding, just to eliminate the drips (the glue also takes in the water, but if you tampon, go better to put the glue in a localized way!) And , dip the coral and press lightly on the rock or on the part of the glass where you want to stick it.

Keep the coral to be glued stable with your hand for about thirty seconds, even a little more if the coral is very large. For small soft corals like xenia pumping it takes 10 seconds! Congratulations - you're done, you can run the pumps and filter again!

The glue is instant, so once it's put in, you'll need to act promptly.

Live rock glue and cuttings

If you need to attach a hard or soft coral that is unsupported, you need cyanoacrylate glue as explained above. If the coral is large and is on a resin base for cuttings or live rock, you can use a cheaper product: epoxy glue.

Epoxy glue is useful for gluing two small rocks together such as the base of a coral and the live rock of your aquarium. There are many epoxy glues on the market. TOthis addressyou find the milliput, but be careful not to work it too much because some people, working it and with sweaty hands, overheat it, so the glue tends to dissolve in water or not to stick.

How to use? Two-component glue is used like this:

  • from the two sticks, take two portions of equal quantities.
  • Work the two pieces by joining them, obtaining a ball with a perfectly uniform color. When you get a uniform color, work it for an additional minute.
  • Wait two minutes.
  • Take the base of the cutting or the coral rock, dry it as well as possible.
  • Place this glue (which has the consistency of plasticine!) Under the rock to be glued, dip your coral substrate in water and press the live rock onto which you intend to glue it.

Again, you will need to turn off all pumps. Among the most used glues I point out theMilliput. Where is it? In stores or "to this Amazon address". A personal advice? If the rocks are very large, avoid using milliput or any other epoxy glue. Epoxy glue is only useful for gluing two rocks or a rock to the resin of the cutting, but not for gluing large surfaces.

How to glue two large live rocks? With quick-setting cement ... better if for a marine aquarium, obviously!

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Video: Gluing my Coral with SUPER GLUE (May 2022).