Maximum Depth

the largest sphere

To make matters worse

The Robust-Aire RA4 system includes:

The fountain reaches its full height in full sunlight

Kasco RA3 Robust-Aire Diffused Aeration System Surface Aerators Maximum DepthThe Kasco Marine RA3 Robust Aire aeration system is a great aerator for larger ponds up to about 4 acres in size (depending on the depth). Effective aeration can be achieved in 2 acre ponds 5 to 8 feet deep, 3 acre ponds 8 to 12 feet deep, and 4 acre ponds 12 to 16+ feet deep. Please contact us if you need assistance on fitting the appropriate sized areator for your pond. We offer a free aerial pond mapping service to insure the best fitting system