Kasco Marine Robust-Aire RA1 Pond Aeration System Freeze Control Tank once per month

once per month

Makes pond water safe for fish and plants

and emergent weeds in lakes

Safe for all animals

Kasco Marine Robust-Aire RA1 Pond Aeration System Freeze Control Tank once per monthRobust Aire RA1 are highly efficient, reliable, and durable aeration systems that induce oxygen transfer, beneficial water movement, and mixing to ponds up to 1. 5 Acres, 8 to 50 feet deep. 1 4 hp single piston Teich Aire compressor One diffuser assembly 100 ft roll of 3 8" ID Self Weighted Aerator Supply Line Quiet operation; 70dB without a cabinet (air conditioner), 65 with cabinet (normal conversation) No electricity in the water No equipment