I remember reading about this somewhere but I can't remember the source.

Does anybody know how eggshells effect PH? I read you're to break them in the water.
The Grim Reefer Reviewed by The Grim Reefer on . Eggshells? I remember reading about this somewhere but I can't remember the source. Does anybody know how eggshells effect PH? I read you're to break them in the water. Rating: 5