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Re: Jobe's Sticks

The ones for ferns have a 16-2-6 N-P-K ratio.  The low P in relation to the
other two is what makes these better since it makes it easier to run the tank
into a P limited condition, thus helping to starve out the algae.  Using
smaller amounts of a fertilizer with a higher P ratio doesn't achieve this
because the tank may run short of the other nutrients before running out of P,
giving algae an advantage.  The relative amounts of each nutrient are as
important as the total amounts when trying to combat algae.  Home Despot
carries the fern sticks, call around somebody is bound to have them.
According to the package they are a product of Easy Gardener, Inc. out of
Waco, Texas.