This formula was created by one of the top US breeders with 2nd generation BDFB at time of this label. It is recommended to have at least 2 inch bottom layer and 1 inch of top layer to equal a more natural environment complete with ability to tunnel.
5lbs per bag. 2 bags are needed for a 10 gal tank, 4 bags for a 20 gal long tank.
Please send us an email or contact us on IG of FB for shipping quote for 4 or more bags.