Do a 24-hour soak in fresh water then let them dry out. -If they smell chlorine free, then they should be fine.
Bleaching and dechlorinating is probably safer and definitely more practical.hlh1 said:Would boiling rocks also be good for disinfecting? I have a lot of natural rocks in my yard and I'd like to add these to my Ciclid tank.
Rinse, let dry.NateDogg said:I have been soaking a few pieces of holey rock over night in a bucket of water with bleach. What is the best way to make sure the bleach is completely off the rocks before I add them back into the tank?