The RK2 Systems RK75PE HF is a high-performance protein fractionator designed for superior water purification in large-scale saltwater aquarium systems. Utilizing a counter-current design, it efficiently removes dissolved organic waste by injecting air and optional ozone through a Mazzei venturi injector at the base of the reaction chamber. As water flows downwards from the top, it mixes thoroughly with the rising air bubbles, creating a dense foam that collects and exports waste, ensuring exceptional water clarity and health for your aquatic life.

This fractionator is engineered for reliability and performance, featuring a durable molded HDPE reaction chamber, high-quality USA-made MDM pumps, and Kynar Mazzei venturi injectors. Standard features include an integrated wash-down system to keep the collection cup clean, an ozone gas connection port, air flow meters for precise control, and a clear sight gauge for easy monitoring. The unit is constructed with premium components, including Hayward or Asahi ball valves and Spears piping and fittings, guaranteeing long-lasting operation in demanding environments.

The RK75PE HF Protein Fractionator is ideal for public aquariums, aquaculture facilities, and owners of very large, advanced home reef systems who require uncompromising filtration efficiency and robust, commercial-grade equipment. Its automated features and high-quality construction minimize maintenance while maximizing waste removal, making it a cornerstone piece of life support for systems where water quality is paramount and equipment failure is not an option.