holes in rocks
to ease up your anxiety about soaking rocks in club soda just make sure soda is room temperature and that you're not soaking rocks overnite, 5 minute soaking at a time will cause most undesirables to crawl out of rocks with minimal harms to most creepy crawlies inside rocks. replace rocks into tank and repeat soaking process next day or two should enable you to find out what's drilling those holes in your rocks. i've done this procedure a few times to flush out a few mantis shrimps, some 12 to 18 inches long worms and even a few stubborn hairy crabs and yes these are still full of life living in my refugium.
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