On Tue, 13 Nov 2007 20:38:07 -0500, David L. Burkhead wrote:

As part of trying to get things straightened out, I'm starting to fertilize
the tank. However, most of the recommended dosages are on the order of 5 ml
per 10 gallons.

5ml is 1 teaspoon which is 60 drops. 6 drops to a gallon.