Item Details
Cuttlebone pieces sold by weight, not by piece!
Grab your natural calcium and hardness buffer in the exact amounts you need.
Cuttlebone chunks do wonders for the health and well-being of your dwarf shrimp and snail population. See the difference in cleaner, smoother shells, effortless molting, and brighter coloration in your little inverts.
An approximately one-inch chunk should last you about 4 months in a ten gallon tank. Will not last as long in extremely soft water, with low hardness (such as reverse-osmosis water) Replenish as needed!