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. superior materials and excellent craftsmanship ensure long-lasting durability.