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      455 Products
      Humboldts Secret Tree Trunk 1/4 Gallon

      Humboldts Secret Tree Trunk 1/4 Gallon

      PREMIUM POTASSIUM SILICATE-BASED PRODUCT: Tree Trunk features advanced nutrients that will help the plants natural ability to strengthen its cell walls, resulting in thicker stalks and better branch development, as well as abiotic stress tolerance!
      PLANT

      In stock
      $ 25.00
      Humboldts Secret Sweet & Sticky 1/4 Gallon

      Humboldts Secret Sweet & Sticky 1/4 Gallon

      CARBOHYDRATE/SACCHARIDE ENERGY SOURCE: Our Sweet & Sticky formula contains a rich source of carbohydrates, energy, and microbe food that is suitable for organic soil and all indoor or outdoor plants and is effective in all mediums.
      SUPPORTS THRIVING MICR

      In stock
      $ 25.00
      Humboldts Secret Sweet & Sticky 1 Gallon

      Humboldts Secret Sweet & Sticky 1 Gallon

      CARBOHYDRATE/SACCHARIDE ENERGY SOURCE: Our Sweet & Sticky formula contains a rich source of carbohydrates, energy, and microbe food that is suitable for organic soil and all indoor or outdoor plants and is effective in all mediums.
      SUPPORTS THRIVING MICR

      In stock
      $ 65.00
      Humboldts Secret Plant Enzymes 1/4 Gallon

      Humboldts Secret Plant Enzymes 1/4 Gallon

      CONTAINS 7,000 UNITS OF ACTIVE ENZYME PER MILLILITER: Humboldts Secret Plant Enzymes is a highly concentrated enzymatic formula with 7,000 units/ml of active enzyme, making Plant Enzymes one of the strongest plant fertilizers on the market!
      GREAT FOR HYD

      In stock
      $ 110.00
      Humboldts Secret Plant Enzymes 1 Gallon

      Humboldts Secret Plant Enzymes 1 Gallon

      CONTAINS 7,000 UNITS OF ACTIVE ENZYME PER MILLILITER: Humboldts Secret Plant Enzymes is a highly concentrated enzymatic formula with 7,000 units/ml of active enzyme, making Plant Enzymes one of the strongest plant fertilizers on the market!
      GREAT FOR HYD

      In stock
      $ 420.00
      Humboldts Secret Golden Tree 1/4 Gallon

      Humboldts Secret Golden Tree 1/4 Gallon

      For any Plant: Our Golden Tree formula is an all-in-one additive for any plant, tree, flower or bush. When used with a well-balanced fertilizer, Golden Tree helps improve soil/foliar nutrient conditions for better crop yields. In addition to improving ov

      In stock
      $ 90.00
      Humboldts Secret Golden Tree 1 Gallon

      Humboldts Secret Golden Tree 1 Gallon

      For any Plant: Our Golden Tree formula is an all-in-one additive for any plant, tree, flower or bush. When used with a well-balanced fertilizer, Golden Tree helps improve soil/foliar nutrient conditions for better crop yields. In addition to improving ov

      In stock
      $ 290.00
      Humboldts Secret Flower Stacker 1 Gallon

      Humboldts Secret Flower Stacker 1 Gallon

      ADDED FLOWERING AGENT TO YOUR REGIME: Flowering boosters are particularly important in hydroponic and agricultural industries. Thousands of growers use Flower Stacker as an additional flowering agent to maximize their yields by harnessing the power of our

      In stock
      $ 100.00
      Humboldts Secret Flower Shield 1/4 Gallon

      Humboldts Secret Flower Shield 1/4 Gallon

      EXEMPT FROM EPA REGISTRATION: Humboldts Secret takes pride in creating products for your plants. You’ll be pleased to know that Flower Shield is made from products exempt from EPA registration under minimum risk pesticides according to FIFRA 25(b).
      PEST

      In stock
      $ 90.00
      Humboldts Secret Base B 1 Gallon

      Humboldts Secret Base B 1 Gallon

      COMPLETE MACRONUTRIENT PROFILE FOR PLANT NUTRITION: The combination of our Base A & B Bundle results in a complete feed for rapidly growing flowering plants and indoor plants. Our signature blend consists of Nitrogen, Phosphorus, Potassium, Calcium, Magne

      In stock
      $ 52.00
      Liquid Karma gal

      Liquid Karma gal

      Liquid Karma sparks vegetative growth during the early stages of plant life. Its low nitrogen, phosphorous and potassium content allows it to be used for plant starts, cuttings, seedlings and mother plants. Liquid Karma may aid with root development and n

      In stock
      $ 82.04
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