huma-huma
Aquarium Advice Addict
Actually the sand really isn't gonna do all that much, if you are trying to seed a new tank to speed up cycling, you'd want either the filter media itself or truly live rock, both coming from a well established tank. Yes the sand does hold some bb but not anywhere near the amount that the filter media and/or live rock hold. Plus when you dig deep into a well establiahed sand bed, you run the risk of releasing harmful chems into the water....all in all I'd look at getting ahold of some decent filter media to seed it with