Dosing Pump Questions

[Myka]

Originally Posted by TDP

I'm a regular lurker on this site but I felt compelled to post on this topic. I bought an sa3 and I use the third pump for evaporation water instead of an auto-top-off unit. Works awesome and without the risks associated with ATO failures. I was always curious why no one seems to do this but I haven't found any downsides yet.

It isn't recommended because dosing pumps aren't designed to run that much. On a tank with a lot of evaporation the dosing pump wouldn't keep up anyway. If it works for you though, all the power to ya!