Canna
CANNA Nutrients — Hydroponic Science Built for Serious Growers
If you've spent more than five minutes in a grow shop, you already know CANNA. The Dutch nutrient house has been the gold standard for hydroponic and coco growers since the early nineties — stocked in over 95% of grow shops worldwide and voted the world's number one plant technology brand by growers globally. That reputation didn't come from clever marketing. It came from genuinely superior formulas, a two-year average development cycle per product, and a full in-house production chain that keeps quality locked down from lab to bottle.
At The Grow Guys, we stock the full CANNA range — nutrients, growing mediums, boosters, and additives — ready to ship Australia-wide. Whether you're running a coco drain-to-waste, a recirculating hydro system, or a potting mix garden, CANNA has a system built specifically for your method.
CANNA started out of frustration. The founders looked at the fertiliser options available to serious growers in the late eighties and didn't like what they saw — a narrow, uninspiring range that gave growers very little to work with. So they built something better. Their first nutrients, CANNA Vega and CANNA Flores, were so effective that grow shops noticed the difference in crop quality immediately. From that point, the business grew fast — driven not by hype, but by results.
What sets CANNA apart from the rest of the market is the depth of their research operation. They run their own laboratory, their own growing trials, and their own extended field testing across multiple countries before any new product is released. When CANNA says a product works, it's because they've watched it work — under controlled conditions, in real-world setups, across different climates. The average time from concept to shelf is two years. In an industry full of short-term hype, that kind of patience is rare.
Today, CANNA is distributed across Europe, Australia, North America, the Middle East, and Africa. It was CANNA who pioneered the 1:250 standard mixture ratio that's now used industry-wide. They don't chase trends. They set the standard — and then they hold it.
CANNA systems are built to work as a matched set — base nutrients, boosters, and medium. If you're running CANNA Coco A&B, you'll get better results pairing it with CANNAZYM and Rhizotonic than mixing in random additives from other brands. The formulas are balanced against each other. The more you stay within the CANNA ecosystem, the less troubleshooting you'll need to do. If you're not sure which system fits your setup, get in touch — we run CANNA ourselves and can point you straight.
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.