crushed

I've recently moved to Albany, NY and the water isn't nearly as hard as it was at college or in Virginia. My water has settled in the mid 7's and I'd like to bump that up a bit without using chemicals (I'm fine with chemistry but I don't like chems). I'm looking into getting some crushed coral...

Hey guys, I have been having a little trouble keeping my pH around 8.0, my well water comes out pretty low on the pH side and i'm tired of using so much baking soda every W/C. I'm about to move all my fish from a 125 to a 220gal and now is a great time for me to change my substrate to something...