brandallmoss;3682197; said:http://www.ramrfq.com 3M Colorquartz Ceramic-Coated Crystals for architectural surface applications. Available in 14 individual colors and 2 grade sizes.
3M isn't readily available around here
woofy;3682510; said:get a bucket dunk sand in, fill with water, stir and then dump out water, repeat this until water comes out clear, always stir vigerously (or however it is you spell that)
this is how I did my black sand tank. it takes FOREVER!!! And you still won't get it 100% clean.
I used Estes' black marine sand it can be picked up at most pet places but it's around $1 a LB. and for a 180 you're looking at over $100 to do a light layer in the tank.
lol