Professor's Nutrients is an Australian brand built by growers, for growers. Every formula is scientifically developed using high-grade chelated minerals, organic compounds, and carefully selected inputs to deliver consistent, repeatable results across all growing mediums, from seedling to harvest. Whether you grow in soil, coco, or hydroponics, Professor's has a formula for every stage of your plant's life.
🌱 Propagation & Cloning
Cloning Accelerator is a ready-to-use foliar spray for fresh cuttings, delivering chelated minerals and humic acid directly through the leaves to keep cuttings green and speed up rooting. Starter Soak is a pre-mixed, pH-balanced propagation solution at 0.5 EC with a built-in root promoter, available in 2.5L, 5L, and 10L.
🌿 Base Nutrients
Original Nutrient Set is a complete 2-part Grow and Bloom base nutrient covering every stage in one formula, available in 1L to 20L. For organic growers, Organic Grow and Organic Bloom are single-part, 100% organic base nutrients packed with 72+ macro and micronutrients, vitamins, amino acids, and natural hormones, available in 1L and 5L.
💧 Root Health
Go Roots is a concentrated root accelerator and booster loaded with purified humic and fulvic acids, designed to build bigger, denser root zones from seedling through to harvest. Works in soil, coco, hydro, RDWC, and aquaponics. Available in 100ml to 1L.
💚 Vegetative Boosters
Go Green is a 4-in-1 Cal Mag Iron liquid fertiliser that corrects and prevents the most common deficiencies fast, with chelated minerals and fulvic acid for rapid uptake. Organic Grow Fast is a 100% organic veg booster that accelerates growth, shortens the veg cycle, and builds stronger plant structure, available in 1L, 5L, and 10L.
🌸 Flowering Nutrients & Boosters
Flower Boost Organic is a 100% organic PK enhancer that triggers early blooming and drives bud development through the flowering cycle, available in 1L and 5L. Extreme Boost is a high-concentration PK finisher with 54% phosphoric acid and 32% soluble potash for the final 2 to 3 weeks before harvest, available in 250g to 5kg.
🌺 Resin & Terpene Boosters
Terpene Gold is a 100% organic flowering additive that stimulates trichome development, boosts resin production, and enhances aroma and flavour in the final weeks of flower. Available in 1L, 5L, 10L, and 20L.
🧼 Flushing & Finishing
Ultra Flush is a mineral flush and salt remover that breaks down excess salt build-up, corrects nutrient lockout, and cleans the root zone mid-grow or before harvest for a cleaner, higher quality finish. Available in 1L, 5L, 10L, and 20L.
💡 Why Professor's Nutrients?
- Australian-made: built by growers, for growers
- High-grade chelated minerals for efficient uptake at every stage
- Full cycle coverage: propagation, veg, flower, finishing, and flushing
- Organic and mineral options across the range
- Works across all growing mediums: soil, coco, rockwool, hydro, and aquaponics
- Strict quality controls, no fillers, no unnecessary additives
- Multiple size options from 100ml home grows to 20L commercial operations
Shop the full Professor's Nutrients range at Growers Depot with more products and categories to explore.
