Efficiently Open Canna and House and Garden Bottle Caps with Green Wrench

Designed to seamlessly and effortlessly remove Canna and House and Garden bottle caps, the Canna Spanner is a must-have tool for garden enthusiasts. This handy green wrench is compatible with 5L and 20L bottle sizes of the popular fertiliser brands, ensuring a smooth gardening experience.

Features and Benefits

  • Highly Compatible: Suits 5L and 20L Canna and House and Garden bottles, making it a versatile tool for various gardening products.
  • Durable Construction: Made with sturdy materials, the Canna Spanner is designed to handle the pressure and torque required for opening tight bottle caps.
  • Simple Design: The straightforward design of this green wrench allows users to easily open tough bottle caps without straining their hands.
  • Portable and Compact: Its small size and lightweight nature make it ideal for on-the-go gardening activities.
  • Efficient and Time-Saving: The Canna Spanner quickly loosens and removes bottle caps, saving valuable time during gardening tasks.

How to Use

  1. Position the Canna Spanner on the bottle cap, ensuring it is firmly seated within the grooves of the cap's circumference.
  2. Hold the bottle securely with one hand while using your other hand to grip the Canna Spanner handle.
  3. Apply gentle pressure to the Canna Spanner handle and turn counter-clockwise to loosen the bottle cap.
  4. Continue turning the wrench until the cap is completely removed.

Aqua Gardening Suggests These are Best For

Designed with garden enthusiasts in mind, the Canna Spanner is ideal for those using 5L and 20L Canna and House and Garden fertiliser bottles. It simplifies the process of opening difficult bottle caps, making it an essential tool for maintaining a well-tended garden with ease.

Notes from Aqua Gardening

  • Always store the Canna Spanner out of reach of children to prevent accidents or misuse.
  • Use the wrench carefully when opening bottle caps to avoid potential spills or splashes.
  • Regularly inspect the Canna Spanner for signs of wear and replace as necessary to ensure proper functionality.


What is the purpose of the Canna Spanner for Bottle Caps?

The Canna Spanner for Bottle Caps is a green wrench designed to make opening and closing 5L and 20L Canna and House and Garden bottles easier, ensuring a tight seal and preventing spills.

Is the Canna Spanner compatible with other brand bottles?

The Canna Spanner is specifically designed to work with 5L and 20L Canna and House and Garden bottles. It may not be compatible with other brands or sizes.

Can I use the Canna Spanner on smaller bottles?

The Canna Spanner is designed for use with 5L and 20L bottles from Canna and House and Garden. It may not fit securely on smaller bottle caps, which could result in ineffective operation or damage to the cap.

Does the Canna Spanner work with both plastic and metal bottle caps?

Yes, the Canna Spanner is designed to work with both plastic and metal bottle caps on 5L and 20L Canna and House and Garden bottles.

Is the Canna Spanner durable and long-lasting?

The Canna Spanner is made of high-quality materials to withstand regular use in a garden environment. With proper care and handling, it should have a long lifespan.

Can I use the Canna Spanner for other applications in gardening?

While the Canna Spanner is specifically designed for opening and closing 5L and 20L Canna and House and Garden bottles, you might find it useful for other purposes in your garden. However, its primary function is to work with bottle caps, and its effectiveness in other applications may be limited.

How do I clean and maintain my Canna Spanner?

To clean your Canna Spanner, simply wipe it down with a damp cloth and mild detergent, then dry it thoroughly before storing it. Keep it away from harsh chemicals and extreme temperatures, and do not use abrasive materials that could damage its surface.

Still Unsure if This Product is Right for You?

  • Submit a question via the Reviews & Questions tab on this page, and our team will respond to you
  • Login to check your Aqua Gardening Member Price
  • Book a free Consult with the Aqua Gardening team here
  • Still Overwhelmed? Start your Gardening Journey with a free eBook here

(SKU: 128799)

Shipping Calculator

Enter the quantity of product and your Australian suburb name to calculate the shipping costs for multiples of this item only. You can calculate the shipping costs for your entire order, including international orders, on the Cart Page.

Free Shipping Eligibility

Aqua Gardening offers free shipping on most orders above $249 that are not bulky items.  Once you place all the items you wish to buy in the cart, the combined shipping price will be shown in the cart, including Free Shipping if you are eligible. For full details please see our free shipping eligibility here.

Delivery Information

Back Order products

These are products we usually carry in stock but are temporary out of stock. These products will be back in stock within a few days. We can send you an email notification when they are back in stock if you click on the “Notify me when back in stock” link. See the full details here.

Click & Collect Only products

These products can only be collected from our Brisbane showroom as we can not ship them. If you place any of these products in your cart, you will only see the Click & Collect option at the checkout.

Fast Dispatch products

These are products that we have in stock in our Brisbane showroom, and they are available for immediate Click & Collect or Shipping. Keep in mind that if you have a product which is not listed as a Fast Dispatch product in your cart, there might be a delay on your order. See the full details here.

Special Order products

Special Order products are products that we do not regularly stock. These products will be ordered specially for you, or dispatched directly to you from our supplier. See the full details here.

Ship-To-Store products

Products marked with ship-to-store can still be shipped to us to collect in-store! Simply check out with the shipping address: 3/4 Billabong Street, Stafford, QLD, 4053. Once your order arrives, we’ll email you to let you know that it is ready to collect.


1 Year Replacement Warranty - Store warranty, this product needs to be returned to Aqua Gardening for testing and replacement.


60 Day Returns - We will provide a refund, exchange or store credit where you have decided you no longer want the product and it is in new, unopened condition. More details...