Fluval 12694 Plant and Shrimp Stratum for Freshwater Fish Tanks, 8.8 lbs. - Encourages Strong Plant Growth, Supports Neutral to Slightly Acidic pH Style: Substrate Color: Stratum Size: 8.8 Pound (Pack of 1) Brand Fluval Flavor Shrimp Age Range (Description) All Life Stages Item Form Granule Specific Uses For Product Indoor About this item Fluval Stratum is made of mineral rich volcanic soil Stimulates strong aquarium plant growth Promotes neutral to mildly acidic pH Suitable for live plants or shrimp 8.8 lb. bag From the manufacturer Fluval Plant and Shrimp Stratum Collected from the mineral rich foothills of the famous Mont Aso Volcano in Japan. Fluval Stratum is the substrate for stimulating the growth of aquatic plants in freshwater aquariums. Plant roots easily penetrate and spread throughout the substrate, allowing plants to obtain a variety of key, readily available nutrients that will make them flourish. The addition of Fluval Plant Micro Nutrients will ensure a full complement of essential macro and micro nutrients. The substrate's light, non-compacting, porous structure is also highly beneficial to nitrifying bacteria, which rapidly colonize the vast porous surface, providing optimal water quality for plants.