Killing coral (on purpose)

[asylumdown]

Just sold a large colony of hydnophora, but it left behind some encrusted base. I won't be able to put anything else in that spot until it's all dead (that stuff is agro!). I can't take the rock out as it's the base of a larger structure, so what's easiest/most effective - epoxy, kalk paste, peroxide, etc.?

[mseepman]

Boiling water maybe? Through a turkey baster.

[Dearth]

Epoxy or kalk paste might be your best bet if you can't remove the rock from the tank.

I've tried the boiling water and turkey baster on coral before with very limited success

[Proteus]

When i did mine i glued a clam shell on top for a month or so

[Reefer Rob]

Originally Posted by mseepman

Boiling water maybe? Through a turkey baster.

This is the way I do it.

[LoJack]

kalk paste will work, I use it all the time to kill off Pocillipora buds. It spontaneously spreads in my tank and I kill the little colonies that pop up before they get out of control.

[waynemah]

Rub a ricordia mushroom on it lol. I had one float around my tank for a bit and left little dead pieces of sps everywhere.

On a serious note, epoxy putty and smother it. It'll eventually look like rock again. Or do that and put another frag in its place.

[asylumdown]

mmkay I'll try both kalk paste and then smothering with epoxy. Thanks guys!

[asylumdown]

Oh my, that's not encouraging. Maybe I'll just do the kalk paste a few times until I'm sure it's desf

[LoJack]

I make my kalk paste just thick enough that its not really a paste, a thick slurry more or less. Just thinned out enough that I can suck it up in an Aiptasia-X applicator, and I use that to pour it on.

Kalk is heavy enough that it holds its form, and falls from the syringe. I used it to kill all my clove polyps … it burns the coral, and then the kalk dissolves over the next few days … by the time it has dissolved, the kalk has burnt away all the tissue on the coral.