Fine Controsoil Substrate – Black

-Designed with Planted Aquariums in Mind-Multiple Granule Sizes and Colors Available-Low Ammonia Release-No Rinsing Required-pH & kH buffering – Slightly Acidic pH and Lower Total Water HardnessStay Rooted with UNS ControsoilChoosing a quality substrate is an essential part of a planted aquarium as it provides vital nutrients for lush plant growth and helps balance water parameters. Over time, it stabilizes pH levels to around 6.8, making it ideal for most tropical fish and shrimp that prefer slightly acidic water.Originating in Japan, Ultum Nature Systems Controsoil consists of high-quality natural soil and volcanic ash. Controsoil provides the perfect level of nutrients without excess. It can be used alone or capped with other substrates such as UNS Controsand.Available in Three Different Granule SizesExtra Fine:Great for nano tanks.Fine (Currently Viewing):Ideal for shorter root plants like foreground plants.Normal: Best for large tanks and plants with thicker roots.Brown Controsoil Substrate is also available for a more natural look.