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cold hardniess
then you need Fox Farm Big Bloom Fertilizer
and hydroponic growing mediums
phosphoric acid
SuperThrive Vitamin Solution Synthetic Plant Nutrients cold hardniessThe Essential Vitamin Solution SuperThrive is a vitamin solution containing kelp and vitamin B1, used for over 50 years by soil and hydroponic growers of all types. Our highly concentrated, non toxic vitamin formula maximizes each plant's potential by helping establish and maintain a strong root base. SuperThrive works with all hydroponic systems and mediums and is the perfect addition to your nutrient regimen be it natural, synthetic, or aquaponic.
