Rootscape Pond Aerator Diffuser – Anti-Clog Air Diffuser with Check Valve & Bobber Anchor for Large Outdoor & Koi Ponds (Self-Weighted Base, 25% Increased Ballast)

Replace conventional air stones with the Rootscape Pond Aerator Air Diffuser to keep large and koi ponds well-oxygenated while minimizing surface scum. Engineered anti-clog construction uses specialized materials and self-cleaning perforations to maximize air output and deliver steady bubbles for years of trouble free oxygenation. The rising stream of air promotes continuous circulation, dramatically reducing stagnant water and leaving your pond’s surface clear. An integrated check valve protects your pump plus aeration tubes and diffusers from potential damage. A built-in bobber anchor point lets you attach a retrieval bobber for vertical removal in ponds with heavy vegetation or uneven bottoms. The self-weighted base features a 25% increase in ballast weight so the unit stays submerged and maintains an upright position on the pond floor.