Recent content by Pasfur

In my experience with this type of kit, there is an initial change of color which is modest, then the next drop is an immediate drastic change, which is where you should take the reading.  It sounds like the 5th drop is what you were looking for.

Reading this, I'm curious what the "cloudy" water looks like.  Given the fish behavior, it might not be an ammonia issue (although you will know shortly after testing!). Try this... take a glass and scoop some water from the aquarium.  Hold the glass up against a white background and see what...