Carib Sea Total Turtle -  Finally, the perfect substrate for aquatic turtle care! 
Your choice of our Coarse grain size for under gravel filters, or our Fine grade for external filtration (great for mud dwellers too!); both complete with beneficial calcium. 

Total Turtle^TM provides pH support to prevent water from becoming too acidic, and has superior enhanced surface area for supporting water purifying bacteria. Total Turtle^TM will give you a healthier, happier turtle!