Hi
I currently have a Neptune DOS for ESV b-ionic 2 part Alk and Ca. I really like it because everything is controlled in my apex. I recently purchased their ESV B-ionic transition elements and would like to give it a try. Would like to have it on a dosing pump so I don't have to dose by hand. Should I invest in second DOS and DDR or should I get the GHL or one of the others that has 4 heads?
Thanks for your input.
I currently have a Neptune DOS for ESV b-ionic 2 part Alk and Ca. I really like it because everything is controlled in my apex. I recently purchased their ESV B-ionic transition elements and would like to give it a try. Would like to have it on a dosing pump so I don't have to dose by hand. Should I invest in second DOS and DDR or should I get the GHL or one of the others that has 4 heads?
Thanks for your input.

