Amazon.com: Flourite Black Sand, 15.4 Pound (Pack of 1) : Grocery & Gourmet Food
Seachem Flourite black sand - more like silt / mud? Don't look like sand to me. I am concerned bacteria will not grow properly. Am I just getting a bad one? :
Seachem Black Flourite Sand — J's Jungle
How to add fluorite black sand into a set up aquarium - YouTube
Seachem flourite sand - YouTube
Seachem - Onyx Sand
Seachem - Flourite Black Sand
Seachem Flourite Black Sand - 7 kg - Pack of 2 – Pet Life
Amazon.com : Seachem Fluorite Black Sand Substrate, 7.7lb : Pet Supplies