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Queensland's Largest Range Of Quality Water Tanks At The Very Best Price!

RAINWATER TANKS, PUMPS & MORE.           1300 476 399               Contact Us For A Free Quote

Save Up To 25% Off All Water Tanks.
Our famous Annual Super Sale is on now, with amazing savings to be had on our entire range of quality water tanks. Every model. Poly, Aquaplate Steel or Concrete. Large or Small. Round or Slim. They're all heavily discounted.
Simply click on the product category of your choice below to view the range and then contact the friendly Capital Tanks team to find out more.
*Order must be placed before the end of November2016. No deposit required.

Welcome to Capital Tanks, Queensland's leading supplier of quality water tanks, pumps, septic tanks, wastewater treatment systems and much more. 
As well as the largest range and the very best prices, we're committed to providing our customers with outstanding service and expert advice. Please browse our site or contact us today if we can help in any way. 
Whatever your project's requirement, we'll have a quality and cost effective solution to suit. That's our promise to you.

Australian Made Water Tanks
Capital Tanks is 100% Australian (Queensland) owned and operated. 
We're also very proud to say that all of our water tanks are manufactured here in Queensland, to world class standards. All of our quality poly tanks, aquaplate steel tanks and concrete tanks. Large and small, they're all made right here in Queensland.
Queensland Made For Queensland Conditions.

Browse Our Product Categories Below

Round Poly Water Tanks
Queensland's Largest Range


Slimline Poly Water Tanks
For Those Narrow Spaces


Steel Water Tanks
Made From Genuine Aquaplate


Concrete Water Tanks
Underground & Aboveground Solutions


Underground Poly Water Tanks
For That 'Out Of Site' Solution


Water Tank Pumps
The Best Brands At The Best Prices.


Septic Tanks
Affordable & Durable


Wastewater Treatment Systems
Cost Effective & Efficient


Molasses Storage Tanks
From 5000 Litres Up To 25900 Litres

Free Tank Delivery To The Following QLD Locations (by Council)
Brisbane, Bundaberg, Fraser Coast, Gladstone, Gold Coast, Gympie, Isaac, Ipswich, Lockyer Valley, Logan, Mackay, Moreton Bay, Noosa, North Burnett, Redland, Rockhampton, Scenic Rim, Somerset, South Burnett, Southern Downs, Sunshine Coast, Toowoomba.

A nominal transport fee may be required for locations outside of the above areas.

Value. Quality. Expertise.

Small tanks, large tanks, round tanks, slimline tanks, poly/plastic tanks, steel tanks, concrete tanks… Whatever your project’s water tank requirement, we’ll have a quality and cost effective solution. 

Capital Tanks is Queensland’s leading one-stop-shop for rainwater tanks and more! 

Servicing all of Southern and Central Queensland, including Brisbane, the Sunshine Coast, the Gold Coast, Darling Downs, Gympie region and beyond, the expert team at Capital Tanks can provide a rainwater tank solution to suit your specific needs.

Contact the friendly staff at Capital Tanks today on 1300 476 399 or for no-obligation free advice and the very best deals available when it comes to all things rainwater tanks. Or simply browse the website.

Capital Tanks also stocks Queensland’s largest range of quality water tank pumps and other rainwater harvesting and re-use accessories.

Whether you’re looking for a small rainwater tank and pump set-up to keep your garden lush and green, an all-of-home application, or you’ve a large scale irrigation set-up in mind, we can certainly assist.

The Capital Tanks Difference

Capital Tanks does not require an upfront deposit on rainwwater tank purchases. It’s simply a case of payment upon delivery. There is no risk for our customers. 

Capital Tanks provides free delivery of all water tanks (big or small) to site throughout Southern  and Central Queensland, including Brisbane, the Sunshine Coast and Gold Coast. 

All rainwater tanks supplied by Capital Tanks are fully backed by a comprehensive, 100% ‘fix or replace’ warranty. Peace of mind is assured. 

All rainwater tanks supplied by Capital Tanks are proudly manufactured in Australia. Capital Tanks is 100% Australian owned and operated.  

Capital Tanks' friendly staff possess unparalleled experience in the Queensland rainwater harvesting and re-use industry. 

The Capital Tanks range of quality tanks are available in an industry leading range of colours. Your new rainwater tank will be sure to match your overall project. 

Customer Service Is Our #1 Priority.

We’d like to pass on our appreciation of the helpfulness shown by your delivery driver. Our property is a little difficult to access, but Stewart handled it skillfully and with a smile. Please pass on our thanks. 
John & Rhonda Cain – Maleny, QLD.

From the first phone conversations with your friendly staff through to the delivery of our two rainwater tanks, the whole experience was a pleasure and hassle-free. We’ll be recommending Capital Tanks to our friends and neighbours. Katrina Weiss – Maryborough, QLD.

10 out of 10 for everything. From the price to the delivery of the tank, it was all spot on. A+++ 
K. Mahiliashard - Logan Village, QLD.

Call us on 
1300 476 399 

Water Tanks, Round Poly Rainwater Tanks, Slimline Poly Rainwater Tanks, Steel Water Tanks, Water Pumps, Rainwater Tank Accessories.Queensland, Brisbane, Gold Coast, Sunshine Coast, Logan, Moreton Bay, Gympie Region, South Burnett, Fraser Coast Region, Lockyer Valley, Scenic Rim, Ipswich, Toowoomba, Rockhamton, Gladstone, Southern Downs, Western Downs, Northern Rivers.
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