Quote Originally Posted by JimD View Post
Just as with any other piece of equipment, the Aqualifter pumps require periodic maintenence. Ive yet to replace a diaphragm or anything else for that matter, the only thing I do is take it apart, clean and inspect and reassemble. I would however, suggest using a filter at the intake.
Cleaning the pump periodically is definitely a good idea. Why would you want to run a fiter on the inlet side though? Seems to me it would easily clog with Ca build up.