Kalk Reactor made by Ocean Aquatics.
-Brand new never used Maxi-jet 600
-15 Lb bag of Kalkwasser AKA Calcium Hydroxide
$115.00
Here is a video of the reactor in action, not mine but same one.
http://youtu.be/oJa7mcb72Rg
Video From Samw, he has some cool vids, check them out.
http://www.youtube.com/user/samwbc?feature=watch
Pictures of my actuall Reactor for sale and 15 Lb bag of Kalk.
