Just use boiling water in a syringe (not in a turkey baster, it will blast out unexpected) and do it in the tank. Get the biggest syringe you can find, 60+cc, and hold the syringe right in the hydroids and slowly squeeze the boiling water out. You may need a few treatments, but it sure beats boiling the whole rock. Or, just dip the affected portion in a pot of boiling water if that's possible. Boiling the whole rock will cause the rock to re-cycle and you won't be able to put it back in the tank for several weeks.
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~ Mindy
SPS fanatic.
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03-17-2012, 04:43 PM
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