nano cube problem

[blb75usa]

i have jbj nano cube 28 gallon with metal halide the i am having is haveing the 2 pumps going im getting alot of micro bubbles coming out of the left spout

[Touring]

your getting air in your lines somehow, is it a new system?

[blb75usa]

Its been setup for awhile

[OceanWolf]

i have jbj nano cube 28 gallon with metal halide the i am having is haveing the 2 pumps going im getting alot of micro bubbles coming out of the left spout

I had the same issue when my water level was low. I think when both of the pumps are working, the water level at outside chambers goes low. The inner chambers are then are like little falls creating bubbles. I added up water and bubbles went away.

Onur