cal reactor regulator valve recomendations ?

[charliethetuna88]

Just hooked up my mtc cal reactor I bought it used came with a milwakee Reg .I'm not happy with it plus nervous about using a old used one .what brand Reg is everyone using these days ?

 

[ming]

M3 regulator for me

 

[NYreefNoob]

call them at mtc, they have one they reccomend and sell, supoposedly the aquariumplants.com i think is it is the best one out but not cheap either