Question 2, water flow and designs for reef tanks

[Johnny Reefer]

Originally Posted by reeferaddict

I have 2 Tunze 6100'sfor main tank flow, ....... I'm looking at those 6055 Nanostreams to put on my 7095 controller with the 6100's.

Regarding those 6100's......I take it they have to be run off a controller to take advantage of their variable speed control feature?

Thanx much,