Zoas and palys never bothered my clams until they grew up the side, over the edge of the shell and started to work their way down the inside of the shell.
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72 gal bowfromt mixed reef sps dominated, 25 gal mineral mud type sump/refugium Skimmerless
2x250 14000k phoenix hqi 2x96 pc actinic, 50x flow
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