Bionic w/ dosing pump?

[GaryP]

Well, these are german, so I can imagine the price. Just another off the shelf product with a hobbyist price slapped on them.

[blueboy]

yeah, i knew i'd need a two head pump, or two pumps, but i know, you gotta be sure. would it not be possible to adjust it to run 24/7 at a very slow rate? the one i'm looking at adjusts in 0.3ml increments, so 24 hrs. that would be 7.2 ml per unit. i guess that's not precise enough is it? timers would complicate things. i was wondering why more people didn't go this route. maybe it's not as simple as it first appeared. thanks for yall's input, any more suggestions?

[scuba_steveo]

I have the b-ionic auto doser.
Love it!
Try and find a used one because they are super expensive new. But ESV is a sponsor so support them!

[blueboy]

is the ESV doser air driven? i think i have seen some DIY plans for something like this.

[blueboy]

just checked their site, that looks pretty much like the DIY diagrams i saw. they are pretty proud of those dosers on their site, but then a 2 channel dosing pump would be close to that.