Hey Tangman
I see That you have started this thread here
http://www.canreef.com/vbulletin/sho...ight=potassium
and already have a few good replys. As "Parkinsn" has stated on that post
http://www.korallen-zucht.de/files/z..._english-1.pdf Page 26 has give a picture of the results for the test kit you have.
-Brad