Scrub the rocks in a bucket of water to remove any loose material or dirt.
Place the rocks in hot tap (chlorine/chloramine) water over night, add some sodium chloride. (salt)
Remove, rinse, and allow to air dry. Nothing will survive that.
No need to bake or boil rocks.
Place the rocks in hot tap (chlorine/chloramine) water over night, add some sodium chloride. (salt)
Remove, rinse, and allow to air dry. Nothing will survive that.
No need to bake or boil rocks.
