Need help with my BK skimmer!

[m and m]

Also how long do you think a 120 can go heavily stocked no skimmer lol?

 

[Troylee]

not sure ill shoot you a pm with it....

 

[lowbudget]

do you notice if the magnet is fat on one side of the impeller?

 

[seareefrun]

In the 30 years I've been using aquarium pumps, this is sometines caused by a bad thermal protecter if your pump has one.