How do I turn my 6100 down?

[McCrary]

My Tunze 6100 is pumping out water just a little too fast. How can I turn it down a little?

 

[rvitko]

With the controller use the controller settings, without a controller turn the potentiometer on the side of the driver using a small slotted screwdriver. You cannot do both, if using a controller the driver must be at full power to prevent damage to the pump. If this is still too much the only other option is to buy or trade someone for a 6000 transformer and downgrade the pump.

 

[McCrary]

Sounds good, I will turn it down manually for now and when I get the controller turn it back up to full blast. It is only a little too powerful and I feel the 6000 would be too weak.