ghl doser 2.1sa

If you have any questions please ask! Price for both - $600 GHL Profilux 4 Used a little over a year. Includes working pH, temp probes. Kept in custom enclosure (see picture) and it is in like-new condition. Includes original box and calibration solutions. Includes the power bar as well...

I have a calcium reactor running and no longer need this doser. It is in great condition and always cared for. I am selling this unit with maintenance items that are new in boxes. Comes with GHL 2.1 doser (black) 4 packs of head covers with replacement wheels. 2 motors 1 pack of replacement...

This is probably the most solid piece of equipment I’ve ever owned with a reef tank other than my ATI PowerModule. I like this pump so much that this was my 3rd one. So easy to dose from your phone and will dose down to 0.1mL. Will dose 150x a day automatically or 10x a day with programmed...

GHL's programming terms and logic are somewhat confusing to me as a new user. They often refer to terms without defining them or their function. Control Circuit is mentioned 6 times in the GHL Doser Resource Guide, but its meaning is simply not clear to me. There are 3 Control Circuits available...