Encourages strong plant growth – roots easily penetrate and spread throughout substrate to obtain key nutrients || Porous structure allows for rapid colonization of beneficial nitrifying bacteria || Helps support neutral to slightly acidic pH – ideal for most plants, tropical fish and shrimp normally kept in planted aquariums || Provides newborn shrimp with a refuge from predators ... https://www.maplepets.in/product/plant-and-shrimp-stratum-4-4-lb-2-kg/