cleaning old sea shells

randomfishguy85

New member
I was given some old seas shells that a friend used in their fresh water aquarium. It has some left over green algae on them that is stuck pretty good. What would be the best way to get the shells clean? Bleach? Vinegar?
 
I wouldn't do bleach. Soak em in a bucket with white vinegar and water for a day and try scrubbing them. then soak in water for a day
 
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