Neptune Dos or other?

I have two DOS. Depends a lot of what you use it for. One of mine runs at a higher speed for AWS and is quite loud; the other runs at a much lower speed for dosing two part and is essentially silent.
 
I have two DOS. Depends a lot of what you use it for. One of mine runs at a higher speed for AWS and is quite loud; the other runs at a much lower speed for dosing two part and is essentially silent.
Thanks, what's the smallest amount the Neptune dos will dose?
 
I can second that. If you have an Apex already and don't mind forking over the extra I would buy a DOS. It's quiet enough when dosing that amount. If I'm honest, I've never owned another, so I'm biased.
 
In my opinion the Dos is too big of a pump to do very small doses of liquid plus as mention already it is quite loud, i would highly recommend a ecotech Versa. The size of the Dos drops are big when you compared to the line used in the Versa and other small peristaltic pumps.
 

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