21 items found from eBay international sellers

  • White Widow 227g (8oz) Humboldt

    Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizal, White Widow. If you can keep things healthy on the surface, Humboldt Nutrients White Widow will handle the situation underneath.
    £53.00
    Est. delivery dateEst. delivery Tue, Dec 18
    FAST & FREE
    Brand: Humboldt Nutrients
    2 watching
  • White Widow 113g (4oz) Humboldt

    Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizal, White Widow. If you can keep things healthy on the surface, Humboldt Nutrients White Widow will handle the situation underneath.
    £32.50
    Est. delivery dateEst. delivery Tue, Dec 18
    FAST & FREE
    Brand: Humboldt Nutrients
  • Humboldt Structual Integrity 946ml

    Structural Integrity (S.i.). Using Potassium Silicate for your garden protects plants from high salinity, pests, molds, and transpiration in higher temperatures. SI is essential to the leaf and stem strength and allowing the plant to hold up heavier fruits.
    £29.99
    Est. delivery dateEst. delivery Wed, Dec 19
    FAST & FREE
    Brand: Humboldt Nutrients
  • Humboldt Sea-Cal 946ml

    Sea Cal may be utilized for any type of vegetable, flower or herb. Adding Sea Cal to our complete nutrient feeding schedule can provide maximum flower production, improved plant structure, and heavy fruit yields.
    £24.99
    Est. delivery dateEst. delivery Wed, Dec 19
    FAST & FREE
    Brand: Humboldt Nutrients
  • HUMBOLDT NUTRIENTS SEA CAL 946ML

    Sea Cal may be utilized for any type of vegetable, flower or herb. Hydroponics Application: Apply 1-5 ml per gallon of nutrient solution along with your base nutrients and other additives. Adding Sea Cal to our complete nutrient feeding schedule can provide maximum flower production, improved plant structure, and heavy fruit yields.
    £17.00
    Est. delivery dateEst. delivery Tue, Dec 18
    FAST & FREE
    Brand: Humboldt Nutrients
  • White Widow 57g (2oz) Humboldt

    Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizal, White Widow. If you can keep things healthy on the surface, Humboldt Nutrients White Widow will handle the situation underneath.
    £22.00
    Est. delivery dateEst. delivery Tue, Dec 18
    FAST & FREE
    Brand: Humboldt Nutrients
  • Humboldt County's Own Gravitation G10 8oz SAVE $$ W/ BAY HYDRO $$

    We started with our original proprietary kelp extract and took it to the next level. Drastically increases the size and mass of flowers. For maximum ?. Gravity effect?. use with Sonic Bloom and Killer Tea.
    £19.07
    From United States
    £17.78 postage
    Brand: Humboldt Nutrients
    52 sold
  • Humboldt Nutrients Big Up Powder 1 lb

    When used in the last few weeks, Big Up Powder provides the final boost of energy that your plants need to finish with the largest, hardest flowers you've ever seen. A local legend in Humboldt County: Big Up Powder is a premium bloom booster.
    £41.39
    From United States
    £18.71 postage
    Brand: Humboldt Nutrients
  • Humboldt Nutrients Ginormous 1 Qt

    Ginormous contains no harmful hormones or synthetic chelates. GIANT flowers and ENORMOUS fruits are what we all want to harvest consistently throughout our lives. Humboldt Nutrients is here to help you accomplish that goal.
    £25.47
    From United States
    £43.75 postage
    Brand: Humboldt Nutrients
  • Humboldt County's Own Purple MAXX 8oz Emerald Triangle SAVE $$ W/ BAY HYDRO $$

    BAY HYDRO LLC. Unique in the industry. Amino acid based cocktail that intensifies final color in susceptible varieties. No dies, no tricks. Don’t wait and hope. This is VERY important you understand this.
    £23.85
    From United States
    £18.71 postage
    Brand: Humboldt Nutrients
    2 watching
  • 8oz Humboldt Counties Snow Storm Ultra SAVE $$ W/ BAY HYDRO

    A Humboldt County original. BAY HYDRO LLC. This amino acid based product tricks the plant into thinking its heat stressed. The result is intense resin, fragrance and flavor production plus the well-known "frosted" look that growers love.
    £17.48
    From United States
    £18.71 postage
    Brand: Humboldt Nutrients
  • Humboldt Nutrients White Widow 4oz Mycorrhizal inoculants SAVE $$ W/ BAY HYDRO

    Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizae product, White Widow. No other mycorrhizal on the market has more propagules per gram.
    £39.77
    From United States
    £11.15 postage
    Brand: Humboldt Nutrients
  • Humboldt Nutrients White Widow 2oz Mycorrhizal inoculants SAVE $$ W/ BAY HYDRO

    Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizae product, White Widow. No other mycorrhizal on the market has more propagules per gram.
    £25.44
    From United States
    £11.15 postage
    Brand: Humboldt Nutrients
  • Humboldt County's Own Gravitation G10 32oz SAVE $$ W/ BAY HYDRO $$

    We started with our original proprietary kelp extract and took it to the next level. Drastically increases the size and mass of flowers. For maximum “Gravity effect” use with Sonic Bloom and Killer Tea.
    £46.94
    From United States
    £28.46 postage
    Brand: Humboldt Nutrients
  • Humboldt Nutrients Verde 1 Qt

    Verde 16-1-2 It's Spanish for green. Lush, green colors and vigorous growth are what you can expect with Verde. This is the perfect blend for plants during periods of accelerated growth. This is wasteful, and deceiving.
    £19.90
    From United States
    £43.75 postage
    Brand: Humboldt Nutrients
  • Humboldt County's Own Gravitation Custom SZ 8oz SAVE $$ W/ BAY HYDRO $$

    We started with our original proprietary kelp extract and took it to the next level. Drastically increases the size and mass of flowers. For maximum Gravity effect use with Sonic Bloom and Killer Tea.
    £15.09
    From United States
    £18.71 postage
    Brand: Humboldt Nutrients
  • Humboldt Nutrients White Widow 8oz Mycorrhizal inoculants SAVE $$ W/ BAY HYDRO

    Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud to launch our newest and most powerful soluble mycorrhizae product, White Widow. No other mycorrhizal on the market has more propagules per gram.
    £65.25
    From United States
    £18.71 postage
    Brand: Humboldt Nutrients
  • Hunboldt Nutrients Natural Humboldt Liquid Humic Acid 8% Lot of 4 Pints

    £20.30
    From United States
    Was: Previous price£23.88
    Brand: Humboldt Nutrients
    £62.38 postage
    or Best Offer
  • HUMBOLDT NUTRIENTS - BIG UP POWDER 57g/big up /big up/big up/The original!!!!!!!

    A local legend in Humboldt County: Big Up Powder is a premium bloom booster. Humboldt Nutrients agronomists and chemists have developed Big Up Powder after years of research and local trials. Many similar products contain artificial coloring and dyes, but Big Up Powder is free of all of these unnecessary ingredients.
    £11.05
    Brand: Humboldt Nutrients
    Free postage
  • Humboldt Nutrients Honey Organic ES 1 Quart Hydroponics Nutrients

    Humboldt Nutrients Humboldt Honey ES is a premium blend of cane molasses, yucca, kelp and ocean fish. This carb source is as unique as it is strong. The ES means Extra Strength. It increases brix levels by providing sugars to beneficial bacteria, fungi, and your plants.
    £20.88
    From United States
    £12.29 postage
    Brand: Humboldt NutrientsCustoms services and international tracking provided
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