Affordable and Reliable


Rayco tanks offer

10 year manufacturer warranty
10 Year Manufacturer's Warranty
16 year UV protection
16 Year UV Protection
free delivery within 30km of factory
Free Delivery within 30km of the factory
BPA-free food grade plastic
BPA-Free Food-Grade LLDPE
Seamless design strength and durability
Seamless Design for Strength and Durability
Black anti-algae lining
Black Anti-Algae Lining
Range of accessories
Range of Accessories
low maintenance easy installation
Low Maintenance and Easy Installation
Colour options
Stock Colours with wide range of additional colours to choose from

tread lightly

All the water that will ever exist, already does.  And it’s our responsibility to use it wisely.

At Rayco Tanks, we offer a water storage solution that is simple, solid and accessible, delivered directly to your home or business. No fuss.


This depends on your reason for storing water as well as the space that you have in which to install tanks. We offer 4 different sizes – please see the dimensions of each on our product page.

A quick calculation to use is 1mm of rain on 1m² of roof surface amounts to 1 litre of water.  So, if you have 25mm of rain, on 100m² of roof, it will yield 2500l of water, but remember that you need to look at how your gutters are configured to capture this water.  To work potential rainwater collection over a year, you can use the calculation:  Annual rainfall (in millimetres) x Roof surface area (in square metres) = Roof catchment capacity (in litres). 

Estimate how much water you need per member of your household per day and how many days you need backup for.  For example, 150l per person per day for 4 days would require 2 400l.

Yes. Please see our installation instructions and range of accessories on our product page. It is important to install your tank correctly to ensure the longevity of your tank and for the validity of our 10 Year Manufacturer’s Warranty. If you are using your tanks for rainwater harvesting, use a filtration system to ensure the water entering the tank is clean. If you are using the tank for municipal back-up and it integrates with your main water supply, consider using an accredited plumber to ensure all necessary plumbing laws are adhered to.  If you need a hand, we’d be happy to help you with installation – give us a call to arrange a quote.

If you order a tank in one of our stock colours and live within our delivery areas, we aim to deliver to your kerbside within 48 hours, if not sooner. Custom colours or larger orders may require a longer lead time which we’ll discuss with you when you order.

Our standard stock colour range includes Grey, Beige and Dark Green. We are able to make many other colours on request, including specific colour matching if you have a special project.