Professor’s Nutrients bottles including two-part base and organic additives for

Professor's Nutrients

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      15 products
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      Hydro Clay by Professor's Nutrients
      Hydro Clay by Professor's Nutrients
      Hydro Clay by Professor's Nutrients
      (1)
      from $22.50
      Sold Out
      Coco Premium by Professor's Nutrients
      Coco Premium by Professor's Nutrients
      $32.50
      Professor's Original Nutrient (A&B Set) by Professor's Nutrients - Grow + Bloom Formula
      Professor's Original Nutrient (A&B Set) by Professor's Nutrients - Grow + Bloom Formula
      Professor's Original Nutrient (A&B Set) by Professor's Nutrients - Grow + Bloom Formula
      (1)
      from $25.00
      Extreme Boost by Professor's Nutrients – Bulking & Ripening PK Powder
      Extreme Boost by Professor's Nutrients – Bulking & Ripening PK Powder
      Extreme Boost by Professor's Nutrients – Bulking & Ripening PK Powder
      from $37.50
      Go Green by Professors Nutrients – Deficiency Buster
      Go Green by Professors Nutrients – Deficiency Buster
      Go Green by Professors Nutrients – Deficiency Buster
      from $27.50
      Cloning Accelerator by Professors Nutrients - Foliar Spray
      Cloning Accelerator by Professors Nutrients - Foliar Spray
      $26.50
      Go Roots by Professors Nutrients - Root Accelerator & Defender
      Go Roots by Professors Nutrients - Root Accelerator & Defender
      Go Roots by Professors Nutrients - Root Accelerator & Defender
      from $89.50
      Grow Fast Organic by Professors Nutrients - Vegetative growth booster
      Grow Fast Organic by Professors Nutrients - Vegetative growth booster
      Grow Fast Organic by Professors Nutrients - Vegetative growth booster
      from $39.50
      Grow Fast by Professors Nutrients – Vegetative Booster
      Grow Fast by Professors Nutrients – Vegetative Booster
      Grow Fast by Professors Nutrients – Vegetative Booster
      from $29.50
      Terpene Gold by Professor's Nutrients — Certified Organic Trichome & Resin Enhancer
      Terpene Gold by Professor's Nutrients — Certified Organic Trichome & Resin Enhancer
      Terpene Gold by Professor's Nutrients — Certified Organic Trichome & Resin Enhancer
      from $44.95
      Professors Boost Organic Nutrient by Professors Nutrients
      Professors Boost Organic Nutrient by Professors Nutrients
      Professors Boost Organic Nutrient by Professors Nutrients
      from $42.50
      Ultra Flush by Professor’s Nutrients – Root Cleanser
      Ultra Flush by Professor’s Nutrients – Root Cleanser
      Ultra Flush by Professor’s Nutrients – Root Cleanser
      from $20.00
      Flower Boost by Professor's Nutrients – PK enhancer
      Flower Boost by Professor's Nutrients – PK enhancer
      Flower Boost by Professor's Nutrients – PK enhancer
      from $29.50
      Professor’s Bloom Organic Nutrient by Professor’s Nutrients
      Professor’s Bloom Organic Nutrient by Professor’s Nutrients
      Professor’s Bloom Organic Nutrient by Professor’s Nutrients
      from $35.00
      Professor’s Grow Nutrient by Professor’s Nutrients – Certified Organic Veg Formula
      Professor’s Grow Nutrient by Professor’s Nutrients – Certified Organic Veg Formula
      Professor’s Grow Nutrient by Professor’s Nutrients – Certified Organic Veg Formula
      from $35.00

      Professor’s Nutrients – Tested. Trusted. Aussie Made.

      🎓 Grow smarter with elite hydro formulas.

      Why Choose Professor’s?

      Developed by growers, for growers - Professor’s Nutrients has earned its stripes through performance, purity, and ease-of-use. Whether you're growing indoors, in a greenhouse, or at a commercial scale, this locally made range is designed to deliver.

      ✅ Full-cycle mineral nutrition & OFC-certified organic options
      ✅ Two-part base systems + targeted additives
      ✅ Suitable for all media: coco, hydro, or substrate
      ✅ Manufactured & quality-controlled in Australia

      From tent grows to licensed facilities, Professor’s delivers results growers rely on.

      Looking for organic support? 🌱 Check out our Organic Liquid Fertilizers Range for clean, compliant growth.

       

      Growers First, Retailers Second

      Welcome to The Grow Guys

      We built The Grow Guys from the soil up — well, coco and perlite. Before we sold gear, we bought it, ran it, and learned the hard way what's worth the money and what ends up in the shed. That's the filter everything on our shelves passes through. No sales scripts, no rebadged junk, no telling you what you want to hear. Just gear we'd run ourselves and advice from people who actually grow. Chasing higher yields, tighter flowers, or your first harvest? You're in the right place.

      Meet The Grow Guys

      FAQs

      Calculated at checkout by weight and destination. Free shipping over $499*.

      Order by 2pm and it ships the same business day from Invermay, Tasmania.

      500+ products across 40+ brands, every one filtered through 14 years of real growing experience. Shipping Australia-wide.

      30-day change-of-mind returns on unopened, unused products. A 10% restocking fee applies and return shipping is at your cost.

      Call, email, or walk into the Invermay shop. You'll get a grower on the other end, not a script.