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20 Best Humboldts Secret Plant Enzymes of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Humboldts Secret Plant Enzymes of 2023. Check our ranking below.

2,157 Reviews Scanned

Rank No. #1
Humboldts Secret Plant Enzymes – Best Plant and Root Enzymes – 7000 Active Units of Enzyme per Milliliter – Quality Plant Food and Plant Fertilizer – Highly Concentrated – 2 Ounce
  • 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 HYDROPONICS AND COCO SUBSTRATE: Hydroponic and coco substrate benefit greatly from enzymes, as these typically have few microorganisms that digest dead root matter. Our formula is compatible with all growing mediums.
  • PLANT ENZYMES REJUVENATE SOIL: If you are reusing a soil cultivation, Plant Enzymes acts as plant food that will rejuvenate the soil by breaking down roots from the previous plant.
  • LOW USAGE RATE: Our strong and highly concentrated enzymatic formula contains 7,000 units of active enzyme per milliliter, which results in a very low usage rate of only 1ml/gallon. Humboldts Secret Plant Enzymes is one of the strongest ones out there!
Rank No. #2
Humboldts Secret Starter Kit Pack – World's Best Indoor & Outdoor Plant Fertilizer and Nutrient System: Base A & B – Golden Tree – Flower Stacker – Plant Enzymes – CalMag & Iron
  • GROW THE PERFECT CROP: With our nutrients you will be able to grow the perfect crop. Our starter kit is proven to make the perfect harvest and it will save you time and pain to get there.
  • MAKES 125-150 GALLONS OF SOLUTION: Enjoy between 125 and 150 gallons of premium-quality nutrient solution to provide proper care and food for potting soil for indoor plants and outdoor plants. Base A & B (Quart Set), Flower Stacker (Quart), Calmag & Iron (Quart), Golden Tree (16 Ounce), Plant Enzymes (8 Ounce)
  • COMPATIBLE IN ALL GROW MEDIUMS: Perfectly suited for use in all growing mediums. Whether it's gravel, sand, coco mix, or hydroponics, Humboldts Secret Starter Kit will help your plants!
  • MADE WITH THE FINEST INGREDIENTS: All Humboldts Secret products are made with quality ingredients. Our Starter Kit gives you all the essential nutrients as well as some additional supplements to start your growing journey!
  • MADE IN THE USA: Each one of our Humboldts Secret products is proudly made in the USA using quality ingredients to ensure an optimal indoor and outdoor plant fertilizer.
SaleRank No. #3
Humboldts Secret Sweet & Sticky – Carbohydrate and Saccharide Energy Source – Enhance Aroma and Flavor of Plants – Potting Soil for Indoor Plants – Energy for Plants – 32 Ounces
  • CARBOHYDRATE/SACCHARIDE ENERGY SOURCE: Our Sweet & Sticky formula contains a rich source of carbohydrates and energy that is suitable for organic soil and all indoor or outdoor plants and is effective in all mediums.
  • SUPPORTS A THRIVING ROOT ZONE: A thriving root zone directly impacts your plants’ most profitable features. Ensure your plants have all the energy they need by feeding them Sweet & Sticky.
  • FLAVOR, AROMA, AND ESSENTIAL OILS: Sweet & Sticky supports a thriving root zone which in turn will aid in your plants natural ability to enhance natural flavor, aroma, and essential oils in all sorts of indoor and outdoor plants thanks to its abundant source of carbohydrates, saccharide energy, and microbe food.
  • SUITABLE FOR HYDROPONIC, COCO, AND SOIL CULTIVATION: Sweet & Sticky is perfectly suited for multiple growing mediums, such as hydroponics and aquaponic systems, coco mixes, organic soil, and potting soil for indoor plants.
  • BETTER CROP YIELD: A high concentration of carbohydrates improves nutrient conditions for better crop yield and size. Our powerful formula also aids in the plant's natural ability to increase resin production during the flowering phase.
SaleRank No. #4
Humboldts Secret Flower Stacker – Best Flowering Formula for Bigger Harvests - Flowering Plant Food - Nutrient System for Potting Soil for Indoor Plants & Outdoor Plants - 1 Quart
  • INCREASE YIELDS BY UP TO 30%: Flower Stacker is a flowering additive designed to help your plants natural ability to increase yield and flower density. It’s an ideal nutrient solution for potting soil for indoor plants and outdoor plants.
  • PREMIUM INGREDIENTS: Our Humboldts Secret Flower Stacker is made with quality ingredients to ensure the development of your flowers. Perfectly suited for potting soil for indoor plants!
  • CONTAINS VITAMIN B1: Vitamin B1 has been touted as a cure-all for transplant shock. Labels typically claim that B1 supports conditions for better plant establishment and growth in a wide range of plants.
  • HIGH AMOUNTS OF PHOSPHORUS AND POTASSIUM: Application of phosphorus and potassium during the flower development phase improves soil/foliar nutrient conditions for better crop yields.
  • 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 clean-running formula.
SaleRank No. #5
Humboldts Secret Golden Tree: Best Plant Food for Plants & Trees - All-in-One Concentrated Additive - Vegetables, Flowers, Fruits, Lawns, Roses, Tomatoes & More (16 Ounce)
  • 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 overall plant nutrition, Golden Tree supports conditions for better plant establishment, nutrient uptake and abiotic stress tolerance.
  • GROW METHOD COMPATIBLE: No matter what grow method you’re using, Humboldts Secret Golden Tree solution will help feed growing plants. It’s designed to be compatible in all mediums - hydroponics, aeroponics, coco, DWC, soil, and every other type of growing method.
  • ESSENTIAL NUTRIENTS: Golden Tree can help provide essential nutrients to your garden that it isn't getting now. Our formula contains a mixture of kelp, carbs and minerals. It can be used in conjunction with other additives and fertilizers or as the only additive.
  • SMALL & STRONG: Our 16-ounce solution makes up to 224 gallons of an easy-to-use additive solution to feed your plants. This is a professional-quality fertilizer that can transform any home and garden and give anyone a green thumb!
Rank No. #6
Humboldts Secret Tree Trunk - Silicate Additive - Advanced Nutrients - Helps Plants Flourish - Indoor Plant Food - Hydroponic Nutrients - Liquid Fertilizer (1 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 STRENGTH: Watch your plants grow by applying Tree Trunk liquid fertilizer. Hydroponic nutrients make our product suitable as quality indoor plant food.
  • ABIOTIC STRESS TOLERANCE: Tree Trunk is needed to ensure yield stability under abiotic stress and minimizes the environmental impacts on crop production.
  • COMPATIBLE IN ALL GROW MEDIUMS: This formula makes for an excellent indoor plant fertilizer suitable for all grow mediums. The usage rate is between 2.5-5ml/gallon (5ml is approx. 1 teaspoon) throughout the entire grow cycle.
  • THICK STALKS & BETTER BRANCH DEVELOPMENT: Our healthy liquid fertilizer will help your plants natural ability to achieve sturdy, thick silks as well as strong and abundant branches.
Rank No. #7
Humboldts Secret Calcium, Magnesium and Iron Supplement – Hydroponic Supplies – Liquid Nutrient Fertilizer – Supports Vegetative and Flowering Stage – 1 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 DEFICIENCIES: Sometimes an unhealthy plant may be suffering from a nutrient deficiency or even too much of one nutrient. Our CalMag & Iron supplement effectively corrects and remedies these micronutrient plant deficiencies.
  • NUTRIENT UPTAKE AND ABSORPTION: This formulae efficiently supports nutrient uptake and absorption by addressing any plant deficiencies in the first place, thus successfully supporting the vegetative and flowering stage of your plants.
  • SUITABLE FOR HYDROPONICS, SOIL, AND CONTAINER GARDENS: Nutrient systems and supplements are commonly used as hydroponic supplies and are a good solution for soil and container gardens, ensuring strong and healthy plants and yields.
  • OPTIMAL FOR COCO COIR MEDIUM AND REVERSE OSMOSIS WATER: Our supplemental CalMag & Iron by Humboldts Secret is highly recommended for plants growing in coco substrate or reverse osmosis water, as the absorption process becomes magnified.
SaleRank No. #8
Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer - World's Best Nutrient System – Hydroponic Nutrients for Outdoor, Indoor Plants – Supports Vegetative and Flowering Stages of Plants
  • 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, Magnesium, and more.
  • EASY-TO-USE TWO-PART SYSTEM: Simple use both bottles at equal rates throughout the entire growing cycle, from the beginning of the vegetative stage until the end of the flowering stage. We recommend application with every watering for maximum results.
  • HYDROPONICS EXCELLENCE FOR ALL CULTIVATION MEDIUMS: Our cutting-edge system excels in hydroponics, delivering exceptional performance across all grow mediums, whether it's for indoor plants in potting soil, aquaponics setups, or coco coir cultivations.
  • COMMERCIAL-GRADE AND GARDEN-FRIENDLY: Our two-part base system is both commercial-grade and garden-friendly, ensuring the optimal health of your plants and flowers. It’s made from quality ingredients that are 100% water soluble and pH-balanced for ease of use.
  • APPROPRIATE FOR ALL PLANT LIFE: Base nutrients are the building blocks of all plant life. Thousands of home and commercial growers use Humboldts Secret Grow & Bloom Base System. It works on all plants, trees, flowers, bushes, and lawns.
Rank No. #9
Humboldts Secret Flower Shield – Powerful Insecticide – Pesticide – Miticide – Fungicide – Bug Spray – Spider Spray – Plant and Flower Protection – Healthy Treatment for Pests and Fungus (8 Ounce)
  • 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 MANAGEMENT: Flower Shield by Humboldts Secret is a pest management alternative that works as both a preventative and knock-down treatment for pests and fungus.
  • INSECTICIDE, PESTICIDE & MITICIDE: Our Flower Shield formula will kill mites, their eggs, and soft-bodied insects while also controlling powdery mildew. Weekly applications will create an environment that is lethal to pests and fungal spores, but not your plants.
  • WORKS ON CONTACT, NO IMMUNITY BUILDUP: Flower Shield is an insecticide, fungicide, and miticide that works on contact and does not allow immunity buildup. Insects cannot become immune to the ingredients found in Flower Shield.
  • CONTROLS POWDERY MILDEW: Our formula contains effective ingredients that control and prevent naturally without harming or affecting the environment of your plants in any way.
Rank No. #10
Humboldts Secret pH Up - Hydroponic pH Up - pH Up for Plants to Stabilize Nutrient - Plant pH Adjustment - Plant Nutrient pH Levels Optimizer (32 Ounce)
  • INCREASES NUTRIENT ABSORPTION: It’s created to effectively increase and optimize pH levels in various plant growth mediums including hydroponic nutrients pH, and maximize nutrient uptake and yield.
  • SAVES COSTS: A single bottle can go a long way. It’s a concentrated solution so you just need a few drops for maximum effectiveness. Enjoy outstanding output with minimal gardening cost increment!
  • CLEAN INGREDIENTS: This hydroponic pH controller is made with high-quality commercial-grade, water soluble potassium hydroxide and is 100% dye-free and additives-free, so it’s medium-friendly and ideal for your beloved botanicals.
  • VERSATILE USE: You can use our pH UP with your balanced nutrient solution for various growth environments like soil, water, hydroponic systems, coco cultivations, DWC systems, and more.
  • MADE BY EXPERTS: The hydroponic pH balance booster has been thoughtfully created by growers for growers. It’s a product of many years of gardening expertise and practical experience, so you can rest assured of its efficacy and potency.
Rank No. #11
RAW - Enzymes for Flushing or Cleaning rootzone and Unlocking Minerals in rhizosphere for Horticultural Purposes Indoor Outdoor use - 8oz
  • RAW Enzymes are a proprietary blend designed to clear away problems that may occur in the root zone of plants. Unlocking minerals that are otherwise unavailable to the root system.
  • Tech Grade and completely water soluble allows for easy cleaning of foliar equipment and emmiters
  • Excellent way to flush at the end of your grow cycle and clear feeding lines of unwanted fertilizer build up.
  • Great for use in soil and hydroponic applications.
  • DIRECTIONS FOR USE: Add 1/8 tsp per Gallon in the reservoir for nutrient change out or for flushing unwanted minerals at the end of grow cycle.
Rank No. #12
Humboldt Nutrients HG405 Ginormous , 32-Ounce
  • Super bloom booster made with macro and micro nutrients, trace elements and sugars
  • Promotes higher brix levels, larger flowers and stronger aromas
  • Contains no harmful hormones or synthetic chelates
  • Specifically formulated to help your favorite plants yield larger fruits
  • Makes the most demanding gardeners ecstatic at harvest time
SaleRank No. #13
Grow More 6045 Cozyme Bio-Stimulant, 1 Gallon, Brown/A
  • 100% Organic Bio Stimulant That Enhances A Plants Ability To Absorb And Utilize Nutrients
  • Derived From Natural Occurring Cytokinins, Hormones, Enzymes, Vitamins, Amino Acids And Micronutrients
  • Works By Enhancing The Plants Ability To Control The Movement Of Nutrients Through The Stem And Leaves
  • Augments The Existing Enzyme Functions In The Plant
SaleRank No. #14
Humboldt Nutrients V405 Verde , 32-Ounce
  • Used as a foliar or as a growth catalyst for all your favorite plants
  • Verde can initiate rapid growth for superior internal structures and lifelong plant health
  • Lush green colors and vigorous growth are what you can expect with verde
  • Great blend for plants experiencing periods of accelerated growth
  • Unique product can increase root, stem and stalk structure
SaleRank No. #15
NOW Supplements, Plant Enzymes with Lactase, Protease, Papain and Bromelain, 240 Veg Capsules
  • SUPPORTS HEALTHY DIGESTION*/VEGAN FORMULA: NOW Plant Enzymes is a comprehensive blend of enzymes that helps to support proper digestion.*
  • WITH LACTASE, PROTEASE, PAPIAN, AND BROMELAIN: This product's combination of enzymes assists in the breakdown of fats, fiber, proteins, and carbohydrates, thus optimizing the availability of nutrients in the food you eat.*
  • CERTIFICATIONS/CLASSIFICATIONS: Quality GMP Assured, Non-GMO, Soy Free, Vegan/Vegetarian, Kosher, Keto Friendly
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968
Rank No. #16
Botanicare Hydroguard Bacillus Root Inoculant, 1-Gallon, Natural
  • Botanicare Hydroguard assists in the decomposition of organic matter in hydroponic gardening
  • Contains bacillus, a natural bacterial root inoculant
  • Helps convert organic matter into nutrients that may be absorbed directly by the roots of a plant
  • Amplifies root mass and vigor
  • Use every time you water during the growth cycle
Rank No. #18
Humboldt Nutrients HHO405 Honey Es , 32-Ounce
  • Increases brix levels by providing sugars to the micro-organisms
  • Enhances the quality, flavor and quantity of your crop
  • Increase the long term quality of the surrounding soil
  • Maintains the sugar levels in the root zone
  • Use in conjunction with our nutrient feeding schedules
SaleRank No. #19
Hydrofarm Humboldt Nutrients HNHG410 1-Gallon Humboldt Nutrients Ginormous
  • Humboldt nutrients ginormous is designed to make even the most demanding gardeners ecstatic at harvest time
  • Ginormous (0-18-16), the freshest and finest super-bloom booster
  • Specifically formulated to help your favorite plants yield the largest fruits, higher brix levels and better aromas
  • Ginormous a is free of any harmful hormones
  • Synthetic chelates can raise the salt-index in a biochemical system and raise the potential for salt build-up and toxicity
Rank No. #20
Humboldt Nutrients P405 Prozyme , 32-Ounce
  • Specially developed for cleansing and treating all growing mediums
  • Compatible with all standard nutrients, rooting compounds, and fertilizing programs
  • Prozyme is not a fertilizer or nutrient; it is a non-plant food intended as a growing media treatment
  • Enzymatic treatment for growing mediums
  • Prozyme can help your plant complete every task required to perform efficiently and rapidly

Last update on 2023-08-11 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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