Aside from moving the unit occasionally

maintenance-free 10" aeration diffuser uses a self-cleaning rubber membrane that expands to clear clogging dirt and debris

bolts or tools

and waste-water lagoons

1-quart bottle treats up to 1 surface acre 4-6 feet deep

Cold Weather Beneficial Bacteria feed-cl0-compressor capacitor vertex pump Aside from moving the unitPond Biologics Cold Weather Beneficial Bacteria contains cold loving psychrophilic microorganisms and other fast acting beneficial bacteria strains combined with selected stimulants to provide optimal performance. Pond Biologics Cold Weather Beneficial Bacteria accelerates the breakdown process of all organic material, even in harsh weather conditions. It recycles excess nitrogen and temporarily binds phosphorous, reducing the chances of algae blooms