
Perforated Bio Filter Column for Improved Water Contact Area. Natural High-Mountain Ore Material: Sourced from natural high-mountain ore, free from harmful substances and organic chemical binders. Dual Bio-Cultivation & Adsorption: Adsorbs organic waste while providing optimal habitats for diverse beneficial bacteria growth. Advanced Nitrate Conversion: Efficiently transforms nitrites into nitrates through crystallization separation for water purification. Intelligent pH Stabilization: Maintains weakly alkaline conditions (pH 7.2) to prevent pH crash in aquaculture systems. Customized Product Options: Offers customized shapes, materials, and colors including ball shape and white color. Eco-Friendly Design: Releases no toxic compounds and provides vital minerals for fish health.