koralia 2's

[cgarr017]

has anybody else experienced problems with these? mine have been running for 4 months and both of mine suddenly stopped working within 3 days of one another...***???

 

[OneReef]

May just need a soak for awhile in white vinegar and water to clean them up.

 

[reefaluva]

Sometimes mine stick a bit. Clean them up good and kinda flick the impellar while plugged in. They should start right up.