dc pumps now in stack at concept!

[Goatman]

Originally Posted by reefwars

i havent put one on a closed loop yet but this is the reason we even ordered any in the first place , we were told these are ideal for closed loop and our store display is going to be a sps display with closed loop. maybe by the time we get the store tank going they have the ability to be ramped up or down via controller , right now its just timers and speed set.

how do they compare to say a hammerhead or a triton for flow....(closed loop)?