Fine High Porosity Fired Clay BASE SUBSTRATE for use in all planted and freshwater shrimp biotope aquaria

Balanced Nitrogen Source for Nitrogen-Limited, Low-Nutrient Reef Aquaria

Neutralizes Chlorine, Chloramines, Ammonia, Nitrite & Nitrate in all Freshwater & Marine Aquaria

Brown, Fine-particle (~3mm) Fired Volcanic Ash Base Substrate

Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria