Microbial Enhancers
Microbial Enhancers
🧪 Tiny allies, big results.
Why Use Microbial Additives?
Healthy substrate starts with a healthy microbiome. These microbial products are packed with beneficial bacteria, fungi, and carb-based sweeteners to stimulate root symbiosis, improve nutrient uptake, and boost overall resilience. Perfect for substrate, coco, or hydro setups.
✅ Mycorrhizae for root expansion (e.g., Great White)
✅ Bacillus strains for nutrient cycling (e.g., Tribus)
✅ Organic sweeteners to fuel microbial life (e.g., Karbo Boost, Bloom Organic Sweet)
Want even deeper roots? 🌱 Pair with Root Boosters for maximum uptake potential.
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.