Play Ground Blueprints What Kind Of Play Ground Sand Can You Put In A Freshwater Aquarium?

What kind of play ground sand can you put in a freshwater aquarium? - play ground blueprints

I would like to see sand in the tank, and I heard the playground sand works well. I found the sand http://www.lowes.com/lowes/lkn?action=productDetail&productId=10392-286-111351&detail=&lpage=none, would the well in an aquarium. Do not tell me with stones or gravel to be used. I want the sand!