Bio Diesel
Bio Diesel Nutrients
🌱 Fuel your grow. Power your soil.
Why Choose Bio Diesel?
Bio Diesel was founded in 2015 with a mission to deliver sustainable, microbe-friendly alternatives to salt-heavy synthetic fertigation. Backed by 20+ years in professional horticulture, their complete nutrient range harnesses the power of plant extracts, bio-stimulants, ferments, and ocean minerals to unlock the full potential of your grow.
This Aussie-made system supports both living soil and inert hydro systems, encouraging microbial life while promoting massive flavour, nutrient density, and overall plant health. No PGRs, no heavy metals – just pure, performance-driven nutrition.
✅ Organic additives with aloe, yucca, kelp & more
✅ Boosts microbiome for nutrient cycling & plant resilience
✅ Suitable for indoor, greenhouse, and outdoor grows
✅ Designed for both soil biology & hydroponic control
Dial in full-spectrum feeding 🧪 Explore Microbial Enhancers for symbiotic support.
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.
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.