Hey Tom, I used it at half the recommended strength (in half of my containers) which is a tablespoon for every two gallons of mix. I wont do that again because I had to supplement (with foilage pro 9-3-6 + pro-tekt 0-0-3) about three months into the season. So next year I'm going to go full strength at one tablespoon for every gallon of mix. So I would suggest if you want to try it start at the recommended dosage and move up from there.
Damon
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