Hi everybody.. It's been a while since I have been on or asked anything. Well my tank is doing fine it's been up for six months now and everything is going great.. I have a quick question. I have a two inch sand bead of white sand. I want black sand now or maybe a mix of black and white. Is it safe to put black sand in my tank? That is on top of my white sand.. I hope so. Can someone let me know. I'm not gonna take out my white established sand or anything it's a 14 biocube so maybe a ten pound bag will do right? Or less?

Thanks,
monica

By the way I want to get some corals like a frogspawn or maybe an anenome or a mushroom or if anyone has a Midas blenny..