Grinder Pump

There are sewage ejector pumps, effluent pumps, and macerator (grinder) pump. [1] Sewage pump (recessed impeller) is nonclogging, effluent pump can clog easier.

Grinder

• $250 Amazon - [2]
• $800 Menards [3]

Non-Grinder

• $159 Cast Iron [4]
• Note that for biodigester inlet with septic fertigation - maceration is not recommended. [5]