Forest Aquatics Large Calcium Mineral Block Food for Shrimp Snails Plecos Crabs Nerites Ramshorns (6)

Exactly what it says on the package, these are essential not only to shrimp but for many types of fish. I use it in my shrimp tank and community aquarium along with coral and cuttlefish to help maintain a balance from the tannins in my large amounts of wood and leaf litter.

Once they found the first one they soon get to work on the ones that follow

Increased the Gh through the roof. Not the products fault, my application was bad.

My Shrimps and snails love them

Got this to support my snails, and shrimp in my freshwater tank but they weren't interested, however found that my Nitrates and Nitrites went through the roof after a couple of days and visibly had a big build up of algae on the glass of my tank. after 3 days I lost the first fish, completed a 50% water change, no change.

Happy shrimp

Purchased these for my Apple. Snail (Brian) and he loves them.

Thought they would settle on the bottom of the tank, but they disappeared as they hit the water