Ultum Nature Systems Controbase is a highly porous, nutrient-rich substrate designed for planted aquarium use. Composed of  pumice stone infused with slow-releasing Nitrogen, Potassium, Phosphorous and trace elements, it provides numerous benefits such as support for heavy root-feeding aquatic plant species and excess nutrient regulation. Its larger 6-8mm granule size promotes improved water flow and oxygenation, cultivating beneficial bacteria growth and improving plant vitality.

Key Features

• Comes pre-bagged in mesh filter bags for easy removal and reusability. Can be stacked to create varying slope heights for aquascaping. 
• Nutrients will last for approximately three months.
• Ideal to use with UNS Controsoil or Controsand, depending on your aquarium’s needs.

Product Specifications

UNS Controbase 2L

• Each BAG includes four (4) individual 0.5L mesh bags of Controbase.
• Aquarium Size: up to 20 gallons (UNS 60U Standard Rimless Tank)

UNS Controbase 8L

• Each BAG includes sixteen (16) individual 0.5L mesh bags of Controbase.
• Aquarium Size: up to 114 gallons (UNS 120U Standard Rimless Tank)