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Each carbon filter features a premium-grade Australian Virgin charcoal bed rated at 1200+ IAV
5 is considered too acidic for most hydroponic gardens
starting at about the fifth or sixth week of a plant’s life
An excerpt from the book: Plants can use up to five times more CO2 than naturally occurs in the air
Removes up to 2
Jack's Professional 9-45-15 Plant Starter Fertilizer 25lb Current Culture Each carbon filter features aIf initially used when transplanting into cells or beds, supplies the high phosphorus ratio designed to boost root growth prior to shoots. Can also be used to correct or supplement low phosphorus situations, especially in outdoor production. For use on: Field grown vegetables. Acidic: 965 lbs. CCE Urea: 218. 2
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