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      633 Products
      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 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 Shield 1 Gallon

      Humboldts Secret Flower Shield 1 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
      $ 250.00
      Humboldts Secret Cal mag & Iron 1/4 Gallon

      Humboldts Secret Cal mag & Iron 1/4 Gallon

      SOURCE OF CALCIUM MAGNESIUM & CHELATED IRON: Many varieties of flowering plants require higher levels of these micronutrients. Our well-balanced formula is designed to specifically address any plant deficiencies that may be present.
      CORRECTS COMMON PLANT

      Out of stock
      $ 18.00
      Humboldts Secret Base B 1/4 Gallon

      Humboldts Secret Base B 1/4 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
      $ 18.00
      Humboldts Secret Base A 1 Gallon

      Humboldts Secret Base A 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
      Humboldts Secret 2500 grams powder Flower Stacker bucket

      Humboldts Secret 2500 grams powder Flower Stacker bucket

      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
      $ 180.00
      Humblest Secret Starter Kit

      Humblest Secret Starter Kit

      Complete nutrient and additive setup: Our starter kit includes all of the essentials and additives you need to start your growing journey. Pack includes: Grow & Bloom Base A & B, Golden Tree, Flower Stacker, CalMag & Iron, and Plant Enzymes.
      MAKES 125-15

      Out of stock
      $ 149.99
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