Kalkwasser Doser-Reactors

This is how I made a simple, cheap dosing pump for myself. I use it to automatically add the proper amount of plant fertilizer every day. Currently I only have to fill mine up once every three months. Laziness is the mother of invention! - [Details]

I'll just try to tell you which version I built, what I changed, some problems I had and how I solved them, and what I might do different if I built another. - [Details]

It's a simple idea, but it serves me well for dripping kalk into my 30G tank. - [Details]

Thiel Infobase - A while ago, a bunch of people, including myself, posted about how they dose kalk. I was using a 2 liter bottle with a hole in the side and airline tubing on my 29g reef. - [Details]