Quote:
Originally Posted by missionsix66  Crushed coral, may be because it's alot more porous. More pockets for things to hide and turn bad. |
Ummm, seems to me "more pockets to hide in" are a good thing.
Increases surface area for nitrificating bacteria to thrive in.
Also would provide better water flow and aeration...preventing "dead spots" in sand bed.
Must be some other reason people think not a good thing to use...
