Bat Guano 0-7-0. Kelp Powder 0-0-17. ThisSuper Soil Kit is for use with 2- 1.5 cubic ft. bag of organic base soil making 20 gallons of Super Soil concentrate. All of our ingredients are. He has over 30 years of experience as a well-known grower, book author, photographer, video producer, and seed producer.
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