Rock
Rock Nutrients & Hydroponic Additives
🪨 Tough nutrients. Top shelf results.
Why Choose Rock?
Rock Hydroponics was founded in Adelaide with one goal: better gear, better advice, better yields. Every product—from Rock Ignite to Super Growth—is lab-formulated, grower-tested, and field-proven for real results. Backed by over 15 years of hydroponic passion and PhD-level development, Rock is for growers who don’t mess around.
✅ Formulated and tested in Australia
✅ Ideal for all levels – hobbyists to licensed ops
✅ Trusted by commercial growers for root strength, vigor, and weight
Running Rock? 💪 Pair with Silica Supplements for stronger stems and stress protection.
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.