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My Tank Thread
I hate digging up old threads but seemed appropriate. Purchasing a few larger colonies (mostly zoas, rics and a pollcipora) from a guy breaking down his tank. I therefore cannot remove everything from the rocks they are growing on...safe to dip larger rocks/colonies in bayer?
No!
Bayer, or any dip, will be absorbed into the rock and then slowly release it once put in your tank. I wouldn't do it.
QT the colonies and observe.