DIY Arduino Controlled Dosing Pumps

After constantaly forgetting to put fertalizers in my planted tank i decided to find a way to automate this daily task.. I have been meaning to learn to use microcontrolelrs and decided that arduino would be the perfect platforum for my project!

Check out the video below to see how i built my Aquarium dosing controller.  The schematics and sketches are avaliable on my fish project site http://fishtankprojects.com/diy-aquarium-projects/arduino-controlled-dosing-pumps.html