D derek Member Dec 2, 2017 #1 Electronic CO2 doser, second owner. I used it for about a month before I shut down the Calcium reactor. Worked fine. Asking $225 Attachments IMG_1352.jpg 70.3 KB · Views: 0
Electronic CO2 doser, second owner. I used it for about a month before I shut down the Calcium reactor. Worked fine. Asking $225
