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Elaine from Pa writes

How much Peters Professional 20-20-20 General Purpose Fertilizer do I add to 1 gallon of water to make 200 ppm?

Answer:

You would add .89 tsp of 17-4-17 Peters Professional 20-20-20 General Purpose Fertilizer to 1 gallon of water to make 200 ppm.

Answer last updated on: 03/12/2017

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