Bax
Premium Member
I started out running an MP-40 & a 6060 in my 75 g. currently have an MP40 with 2 x 6100 s in my 120 and I can't run the MP over about 55-60% or I get water over the top! 
So the 120 will get an MP-20 and the the MP40 will go to the 200 with a couple of these Gen 2 Tunzes.
I think a lot of people want to go one way or the other between the Tunzes and the MPs. But, if you do that, you miss out on the excellent combined water motion these two completely different pumps can provide.

So the 120 will get an MP-20 and the the MP40 will go to the 200 with a couple of these Gen 2 Tunzes.
I think a lot of people want to go one way or the other between the Tunzes and the MPs. But, if you do that, you miss out on the excellent combined water motion these two completely different pumps can provide.