Northern NJ, I have an almost new Milwaukee PH Controller for Sale with Probe, Just calibrated last week. both the controller and the probe are about 4 months old, works perfect. the probe has never been dry. The controller has always been dry. I just bought an octopus so I no longer need it.
$80 shipped anywhere in Lower 48.
or $75 picked up locally
Here are the specs:
SMS122
pH Controller with User Selectable Set point
The SMS 122?s basic design makes it the perfect controller for the hobbyist. This reliable unit will automate the dosing of CO2 in your aquarium ensuring healthy aquatic life. The stability and ease of use of this instrument make it a terrific value.
pH / CO2 controller with visual alarm and adjustable set point
? Ability to controller CO2 based on pH value
? Stable and reliable results take the guessing out of testing
? Comes complete with probe and 12 volt adapter plug
Specifications Range 0.0 ? 14.0 pH
Resolution 0.1 pH
Accuracy ?0.2 pH
Calibration Manual at
1 or 2 points
Set point
Range 5.5 to 9.5 pH
Alarm Active when reading
is lower than set point
Dosing contact 1 power plug for
CO2 dosing
Power supply 12-volt adapter
Electrode MA 911 B/2 included
$80 shipped anywhere in Lower 48.
or $75 picked up locally
Here are the specs:
SMS122
pH Controller with User Selectable Set point
The SMS 122?s basic design makes it the perfect controller for the hobbyist. This reliable unit will automate the dosing of CO2 in your aquarium ensuring healthy aquatic life. The stability and ease of use of this instrument make it a terrific value.
pH / CO2 controller with visual alarm and adjustable set point
? Ability to controller CO2 based on pH value
? Stable and reliable results take the guessing out of testing
? Comes complete with probe and 12 volt adapter plug
Specifications Range 0.0 ? 14.0 pH
Resolution 0.1 pH
Accuracy ?0.2 pH
Calibration Manual at
1 or 2 points
Set point
Range 5.5 to 9.5 pH
Alarm Active when reading
is lower than set point
Dosing contact 1 power plug for
CO2 dosing
Power supply 12-volt adapter
Electrode MA 911 B/2 included