UNS Controsoil Brown (Normal) 3L Ultum Nature Systems Controsoil is a high-quality aquarium soil made from natural soil and volcanic ash sourced from Japan. It is designed to create an optimal environment for aquarium plants to thrive while buffering the water to ideal levels for fish and shrimp. Key Features: Keeps pH of alkaline water below 7, ideal for Caridina shrimp and most tropical fish Less likely to cause algae spikes during initial setup compared to other aquarium soils Helps prevent "new tank syndrome" characterized by brown or green algae, cloudy water, and ammonia spikes Easy to use and reduces the need for frequent water changes during the initial setup Ultum Nature Systems Controsoil is a reliable solution for achieving strong plant growth without the hassle of excessive ammonia. Users can expect ease of use and a reduction in the maintenance typically required during the initial setup of a planted aquarium. Specifications: Normal Granules ~ 5mm How much soil do I need? Length x Width x Desired Substrate Height (in inches) Divided by 60 = Liters of soil needed