Pond Boss Forums AERATION Systems questions What type aerator for my pond?

A diffuser type aerator is going to be more efficient at delivering oxygen to your water. More importantly, a diffuser will deliver oxygen to the bottom of your pond where the beneficial microorganisms in the sludge will consume the nutrients. A surface aerator will not do this as they only provide an aerobic "cap" for your water. These critters at the bottom are always consuming nutrients but they will do so much faster under aerobic conditions.

Diffuser type aerators will also reduce evaporation whereas a surface aerator will typically increase evaporation. In your shallow water depth the reduction in evaporation will be small but worth noting.

I recommend posting your goals and or problems with your pond so that we can do a better job of specifying a system.