My gsp is spreading very quickly, much quicker than I would like it to and has reached a couple of my zoa colonies. I've peeled away what I can, but to really get the gsp under control I am going to have to pull the rocks (Which I really really do not want to do!) I'm wondering if the gsp will choke out my zoas or if it will somehow be held at bay by the zoas. What do you all think?
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