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Are these aptasia? Zoa frag wont open
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Looks like aptasia to me
They can be removed with tweezers if need be. Aptasia won't have tubes so your safe.
The thing with injecting the Aptasia is that you have to get the whole thing or it will come back in numbers. I'm going through an outbreak now caused by using Aptasia-X. The ones on top of the rocks are easy to get to and smother the whole thing so they won't come back. The ones in the holes and cracks you're not getting the whole thing and they will grow back from any piece that's left over. I'm going with natural predators of the Aptasia and added some Berghia Nudibranch a month ago and hoping they get the job done. If by the end of July I don't see any improvement I'll try a Filefish next. Can't use Peppermint because of my Wrasse.
This is why it's hard to kill the Aptasia by injecting. Every time I would inject these two Aptasia
they would come back. Recently I moved some coral around and when lifting this rock I
noticed the Aptasia was anchored underneath and to the center of the rock (shown in red) and not on the
side as I thought. So when injecting Aptasia in the holes and cracks unless you can reach the whole animal with it you're not doing anything.
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