Dr. Turtle by Zoo Med is a slow release calcium block that helps condition water and provide calcium supplement to promote healthy shell growth for aquatic turtles.

• Easy tp use, slow-release calcium block
• 1 block treats up to 15 gallons
• Provides required calcium & conditions water

Turtles require UVB lighting and heat for proper shell growth and development. For optimum health, feed your turtles Zoo Med's Natural Aquatic Turtle food.

Ingredients: Calcium Sulfate, Magnesium Chloride.

Guaranteed Analysis:
Calcium (min) - 20%; (max) - 24%