Joiners Barbed by The Grow Guys

Name: Joiners Barbed by The Grow Guys
Brand: The Grow Guys
SKU: IG-JOIN-4mm
Price: 0.2 AUD
Availability: InStock

$0.20

Tax included. Shipping calculated at checkout.

Quantity

Handpicked by growers
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6,596+ high-yielding customers
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Free shipping over $499*

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Pairs well with

🌿 Connect It. Forget It.

Need to fix a cut line or extend a run without drama? These barbed joiners lock into your tubing like a handshake from a pro - tight, dependable, and built for growers who don’t have time for leaks.

🔹 Key Features

✅ Push-fit simplicity – slide in, twist slightly, done.
💧 Secure barbs – grips tight so it stays put under pressure.
🛠️ UV-resistant – won’t crack, fade, or warp in the sun.
📏 Available in 5 sizes – 4mm, 6mm, 13mm, 19mm, 25mm

🛠️ How to Use It

Cut your tubing clean and square.
Push the joiner into both ends - twist slightly for a tighter seal.
That’s it. No clamps needed (but add them if you’re running high pressure).

🌟 Grow Guys Tips

Having a few of these in your kit is like having zip ties in your toolbox - when something goes wrong, they save your arse. Great for repairs, extensions, or system tweaks.

🧓 Perfect For

Fixing damaged lines, extending existing runs, or connecting tubing of the same size. Essential for hydro, coco, soil, and drip setups.

📦 Specs & Stuff

Sizes: 4mm, 6mm, 13mm, 19mm, 25mm
Material: UV-stable ABS plastic
Fit: Push-fit with barbed grip
Colour: Black

🚀 Join the Dots, Grow Like a Boss

Chuck a few of these in your kit and keep your system watertight - barbed and ready to roll.

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Growers First, Retailers Second

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.

Meet The Grow Guys

FAQs

How fast do you ship?

Order by 2pm and it ships the same business day from Invermay, Tasmania.

How much is shipping?

Calculated at checkout by weight and destination. Free shipping over $499*.

Is the packaging discreet?

Plain packaging, no branding. No one knows what's in your box.

What's your returns policy?

30-day change-of-mind returns on unopened, unused products. A 10% restocking fee applies and return shipping is at your cost.

Can I get advice before buying?

Call, email, or walk into the Invermay shop. You'll get a grower on the other end, not a script.

Do you have a physical store?

Unit 10/110 Gleadow Street, Invermay 7248. Mon–Fri 8:30am–5:30pm, Sat 9am–3pm.

Inside The Grow Guys hydroponics store in Invermay, Tasmania

Still got a question?

Talk to a grower, not a script

Tell us your space and what you want to grow. We'll point you to the gear that fits, and tell you what you can skip.

Call 0481 735 126

Mon–Fri 8:30am–5:30pm · Sat 9am–3pm