Check the listing for details. 14lb Jacks 321 Hydroponic Fertilizer Nutrient 5-12-26 Custom Kits AvailableA+B+C. Condition: Open box. Listed at 89.99 USD. 14lb Jacks 321 Hydroponic Fertilizer Nutrients 5-12-26 Part A Only (Repackaged). Custom orders available if you need a kit [MIX & MATCH] A & B AVAILABLE UPON REQUEST JUST SHOOT ME A MESSAGE Promotes the growth of leaves and strong roots. Blended with purely soluble and available nutrients to allow the grower maximum flexibility. Specific mixtures of macro, secondary and micronutrients deliver an efficient combination of nutrients suitable for many different growing environments and crop types. Jack's Nutrients Professional Hydroponic Special 5-12-26 water soluble hydroponic fertilizer. Complete with chelated trace elements. Designed exclusively for commercial hydroponic culture, this classic formula is ideal for most hydroponic production crops, especially tomatoes, cucumbers Flexible B (Base) formulation is easily augmented to meet unique plant needs. Paired with part b in the A stock tank to make a complete nutrient solution. Peters Professional Hydroponic Special 5-12-26 fertilizer is effective for all water types. Buffered to help maintain acceptable working solution pH. Classic formula designed exclusively for hydroponic culture The standard in hydroponic plant culture Ideal for most hydroponic crops, especially tomatoes, cucumbers and lettuce Supplies sulfur Flexible: easily modified to meet unique plant needs Formula is buffered to help maintain acceptable working solution pH. Maximum solubility 3 lb./gal. Specifications Total Nitrogen (N).......................................5% 5% Nitrate Nitrogen Available Phosphate (P2O5).......................12% Soluble Potash (K2O).................................26% Magnesium (Mg).........................................3.1% 3.1% Water Soluble Magnesium (Mg) Sulfur (S).........................................4% 4% Combined Sulfur (S) Boron (B)....................................................0.05% Copper (Cu)................................................0.015% 0.015% Chelated Copper (Cu) Iron (Fe)......................................................0.3% 0.3% Chelated Iron (Fe) Manganese (Mn).........................................0.05% 0.05% Chelated Manganese (Mn) Molybdenum (Mo).......................................0.01% Zinc (Zn)......................................................0.015% 0.015% Chelated Zinc (Zn) Additional Information