Texas Holey Rock - 20 lbs - Natural Rocks General The biggest piece is right

The biggest piece is right at 16" wide (side to side) x 13" in height and between 4 and 5" thick

It is inert and can be used in all aquatic environments with all aquatic pets and does not contain any chemicals or dyes

These will create a realistic environment for all of your aquatic pets

Rocks arrive clean and ready to use with no soaking or preparation required

It is useful for promoting the growth of beneficial bacteria

Texas Holey Rock - 20 lbs - Natural Rocks General The biggest piece is rightTexas Holey Rock for Aquariums. Total weight for this group is 20 lbs. All of these have a lot of holes all over them. .