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My thought is, they look like they are stretching for light. I know some can have long stalks naturally, but they seem to tend to be bigger polyped ones, not like this. So not only are they stretching to get more light to photosynthesize, they aren't getting enough nutrients from then water when nitrates are zero. They are starving.
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My build thread:
http://reefcentral.com/forums/showthread.php?t=2548422
Current Tank Info: 65 gallon mixed reef, Eshopps sump and HOB overflow, RO-110int skimmer, Reefbreeder 32" photons V1.
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