I've got an ultima 11 4000 I just tried to backwash and it's not working. Usually I can hear it spray in the filter, but tonight I can't, and nothing dirty in the sight glass.
Anyone ever come across this?
How can I fix?
Sent from my DROID4 using MonsterAquariaNetwork App
Anyone ever come across this?
How can I fix?
Sent from my DROID4 using MonsterAquariaNetwork App