marine magic doser not working

[FragIt Dan]

Not sure what the rules are on this...
http://www.reefcentral.com/forums/sh....php?t=2123530

Apologies if I am not supposed to post links to the 'other guys' . I have a little something for Brad anyway in case I need to buy my way out of it

[Cal_stir]

it is critical that the motor shaft and rollers are clean all dirt, dust, oils,etc.

[Smudge]

What tubing (for inside the head)did you use? Where did you get it from. How long do your pumps run a day?

[rocksteveo]

the pump onlys runs for maybe 2 minutes a day, its only 2 weeks old, ive switch the heads with the new one given and still same problems, the tuning is all original stuff, its wierd just pump a is doing it