You will see polyps start to come out after removing carbon. After they recover about 2 weeks, you can put carbon back in for a couple of days and then take it out again.
If you have sps peeled off from base, you should not run carbon continually for weeks. I would run carbon continually when I have a heathy SPS tank.
If you have sps peeled off from base, you should not run carbon continually for weeks. I would run carbon continually when I have a heathy SPS tank.
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