The Sea Side Aquatics AS21 is a high-performance protein skimmer designed to efficiently remove dissolved organic compounds and other waste materials from your saltwater aquarium. By creating a dense foam, it effectively strips proteins and other pollutants from the water column before they can break down into harmful nitrates and phosphates. This process is crucial for maintaining pristine water quality, improving water clarity, and promoting a healthier environment for all your aquatic inhabitants, especially sensitive corals and invertebrates.

Engineered for large systems, this skimmer is rated for aquariums up to 300 gallons. Its powerful performance is driven by two reliable SICCE PSK 1000 pumps, ensuring consistent and robust foam production. The unit stands approximately 26.5 inches tall and has a compact 14.5 by 12-inch footprint, allowing it to fit in most larger sumps. The generous 10-inch cone diameter provides an extended reaction time, maximizing contact between air bubbles and water for superior waste extraction and stable foam generation.

This skimmer is an excellent choice for the serious reef aquarist with a heavily stocked, large-scale system. Its dual-pump design and substantial reaction chamber are built to handle the high bio-load typical of mature reef tanks or fish-only systems. For hobbyists seeking to maintain ultra-low nutrient levels and achieve optimal water conditions for demanding coral species, the Sea Side Aquatics AS21 provides the power and reliability needed for long-term success.