Our 1000L polyethylene water tank offers an ideal water storage solution for homeowners seeking reliable rainwater harvesting, garden irrigation, or header tank applications. Designed with UV-stabilized, food-grade materials, this robust tank combines functionality with durability for long-term water conservation needs. Unlike smaller capacity options, this 1000L tank provides substantial storage volume for larger gardens, small farms, or as a primary header tank for household water systems.
Perfect for the urban gardener, our 1000L tank is the compact, capable workhorse for everyday water storage. It's designed to fit neatly into smaller spaces, providing a reliable supply for your vegetable patch, flower beds, and general garden use without the complexity of larger systems.
Specification | |
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Capacity | 1,000 Litres |
Material | Medium-Density Polyethylene (LDPE) |
Colours | Mist Green, Heritage Green, Light Grey, Dark Grey, Slate Grey, Beige and Black |
UV Protection | Yes, Full UV Stabilised |
Food Grade | Yes, Safe for Potable Water |
Inlet & Outlet | Standard 2" (50mm) BSP Threaded Fittings |
Dimensions (Diameter x Height) | Approximately 1200mm x 1100mm |
Lid | Approximately 450mm |
Weight (Empty) | Approximately 35 kg |
Best For | Residential Gardens, Rain Harvesting, Emergency Storage |
Details | |
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Delivery Estimate | Typically 3-4 Weeks across Upper North Island |
Shipping Cost | Calculated at checkout based on your location. |
Collections | We often have a number of these tanks in stock at 21 Akatea Road, Glendene. These Tanks are relativly large and would fit in a large van or on a trailer. |
Packaging | Product is shipped as a Water tank without any wasteful packaging. |
Installation | This is a DIY-friendly product. Ensure the site is flat, stable, and clear of sharp objects. |
Our compact 1000L tank is the perfect-sized solution for urban gardeners and homeowners. It's designed to fit neatly in a standard backyard yet holds enough water to make a real difference to your water bills and garden health.
Download our Manual above for more information.
This is an important question for tiny home living. While a 1000L tank can be part of your water system, we generally do not recommend it as the sole primary water source for a full-time tiny home, especially if you will be relying on paid water deliveries. This is because water delivery trucks typically carry a minimum of 8,000 to 12,000 litres per load, and you are charged for the entire delivery. Filling a single 1000L tank this way is therefore not cost-effective. Furthermore, the limited roof space on a tiny home restricts how much rainwater you can collect, meaning you might struggle to keep the tank replenished through rainfall alone with regular use.
However, this tank is an exceptionally versatile and highly effective solution in two specific scenarios:
In summary: For a self-sufficient primary supply, we recommend looking at our larger 10,000L tank. But for supplementing your system, managing a trickle supply, or creating an efficient greywater recycling setup, the 1000L tank is an ideal and cost-effective choice.
Yes, your 1000L tank is manufactured from premium, UV-stabilized polyethylene that is certified to food-grade standards. This makes it entirely suitable for storing safe drinking water (potable water) when correctly set up. For optimal water quality, we recommend installing a first-flush diverter for rainwater collection and performing periodic maintenance as needed.
Installation is straightforward. Choose a location that is flat, stable, and can support the weight of a full tank (1,000L of water weighs 1,000kg). A level concrete pad or a compacted base of crusher metal (GAP 7 Stone) is ideal. Ensure the area is clear of sharp objects that could damage the base. Once positioned, you can connect your downpipe to the through a hole you need to drill into the tank and using a Rubber Tank Seal, Install an Overflow, and attach a hose to the outlet fitting or connecting it to a pump.
We also have Easy Connect diverters from your down pipe for small tanks like this, give us a call to discuss 09 390 2209
Yes, we stand behind the quality of our products. This 500L water tank comes with a 20 year manufacturer's warranty against defects. Please refer to our warranty policy page, download our manual just above or contact us for specific terms and duration.
Yes, you can daisy-chain multiple tanks to increase your total water storage capacity. This requires additional plumbing fittings like tank connectors. It's important to plan your layout so that the tanks are on the same level to ensure they fill evenly.
Plastic water tanks are very low maintenance. The main task is to occasionally check and clean the inlet and overflow to prevent blockages from leaves and debris. It is also good practice to inspect the inside of the tank every few years for any sediment buildup and clean it out if necessary.
Great service as always from the team at Big Water Tanks.
Quality products at affordable pricing
Hi
I have received the tank.
Thanks for your quick delivery and your driver was awesome!
Keiko