CaribSea Coraline Marine Gravel Per Pound

Used by Aquascapers and Aquarists for the benefits of adding Calcium, Magnesium, and a Carbonate buffer to your water. Only sold in large bags by the Fish stores, so buying a pound at a time is faultless for Shrimp keepers, and nano tanks. Helps with molting and growth. I will weigh it and heat seal it for shipping. You will need to pre rinse it, thats all Sold per pound. Perfect for everyday use. first-class materials and excellent craftsmanship ensure long-lasting durability.