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GSP growth?
hey,
i have about three different colonies of star poylps. weirdest thing; they grow and spread but hardly open. when they are open they are certainly not fully extended. has anyone ever experianced this? i don't even understand where they're getting the energy in order to spread.
what could effect the extension on GSP? My water quality is good;
NO3=0, PO2=0, 250w 10k XM's.
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