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Our Tank Liner

World first antimicrobial tank liner. One of the most technically advanced water tank liners in the country. We keep your water fresher for longer.

Engineered Up To 2.0MM Thick

Our tank walls are designed with superior strength and longevity in mind.  With over 30 years in business you can be confident our tanks will last.

Water From Your Tank Roof

Every drop of water counts. We have introduced an exclusive water saver device that efficiently harvests water off your tank roof.

Pioneer Water Tanks & Bushfire

Learn how the Pioneer water tank stands up to bushfire, and what you can expect if your tank comes into direct contact with fire.

Our Tank Liner



World first antimicrobial tank liner. One of the most technically advanced water tank liners in the country. We keep your water fresher for longer.

Engineered Up To 2.0MM Thick

Our tank walls are designed with superior strength and longevity in mind.  With over 30 years in business you can be confident our tanks will last.

Water From Your Tank Roof

Every drop of water counts. We have introduced an exclusive water saver device that efficiently harvests water off your tank roof.

Pioneer Water Tanks & Bushfire

Learn how the Pioneer water tank stands up to bushfire, and what you can expect if your tank comes into direct contact with fire.

A water tank to suit you

Your Home
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Your Home
The Farm
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The Farm
Commercial-Growers
Pioneer Water Tanks Commercial Growers
Commercial Growers
Cattle-Station
water tanks for cattle stations
Cattle Stations
Commercial-and-Industrial
Pioneer Water Tanks Commercial & Industrial
Commercial & Industrial
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Water Tank Cleaning

Keeping your water fresh and clean

The best fact about the Pioneer water tanks is that they are lined with a quality silver membrane to protect from bacteria and other (microbes) that may end up in my water tank.

Cleaning your rainwater tank

Your drinking water supply can only be as fresh as the water tank and harvesting systems it comes into contact with, 

and for this reason, many people are eager to know the proper process for water tank cleaning.

For the external walls of your water tank, we recommend periodically washing the outside of the tank with a soft brush and clean water, from a garden hose linked to a fresh water tank. Cleaning the tank periodically will help remove any surface contaminants or harmful bacteria that may lead to surface corrosion.


At Pioneer, our strong advice is to avoid the need to enter your tank, to eliminate the risks to your personal safety and that of the structural integrity of the internal water tank liner, as damaging this would compromise the water holding abilities of your water tank.

pioneer water tank in the bush

If you do need to enter or clean your water tank from the inside, Pioneer recommends contacting your local dealer – who would have helped with the installation of your water tank – for advice on engaging an experienced water tank cleaner. Before you enter the tank for any reason, please contact Pioneer Water Tanks or your local Pioneer Dealer for further guidance.


If you do require water tank cleaning or desludging, there are a number of professionals who offer these services, and you should contact your local Pioneer Dealer to assist you with the cleaning, or to connect you to an expert.

How often should water tanks be cleaned?

There is no general consensus on how often – if at all – a rainwater tank should be cleaned. The Australian Government recommends inspecting the tank every 2 to 3 years to check for any accumulated sediment or sludge on the tank floor.


While some water tank cleaning companies may recommend cleaning your tank every six months, this may be due to the conflict of interest of it being their source of income.


Many water tank cleaning companies also require the total emptying of the tank, causing the loss of much precious stored water. Cleaning water tanks can be costly and inconvenient, and most of the time avoided.

Pioneer Water Tanks believes that you should not need to clean your water tank unless it has been inspected to have accumulated sludge or sediment.


A quarterly visual inspection of the tank would be recommended, either by the owner or their nominated contractor or site personnel, should be undertaken every three months.


This can be done by viewing the inside of your tank through the roof hatch and using a flashlight or torch to see if the inside of the liner or water tank cleaning is required. It is also important to monitor the appearance and smell of the water within your tank when using it. 

How do I keep my rainwater tank clean?

There are a number of things you can do to help keep the water contained in your rainwater tank clean

without entering your tank or interfering with the water or liner held within it.

  • Pioneer’s Aqualiner® Antimicrobial Water Tank Liner:
    • Our industry leading water tank liner possesses antimicrobial technology that keeps your water fresher for longer by actively removing microbes, harmful bacteria and mildew from the liner and water, and preventing the growth of organic matter such as algae.
  • Clean the tank roof:
    • Use a long handled or extendable broom to sweep any leaves, dirt or debris from the tank roof, from ground level or from a ladder. Walking on the tank roof is not recommended.
    • Periodically rinse off the tank roof with a hose during prolonged dry periods.
  • Keep gutters and pipes clean
    • Periodically clean all gutters leading to the tank. Installing a gutter guard can help prevent any organic matter such as leaf litter entering the tank.
    • Ensure gutters are clearing of water successfully and are not home to any insect life that may contaminate your potable water supply.
  • Clean the leaf filter basket:
    • Remove the downpipe and filter basket cover, and then lift out the filter basket or strainer to clean out any debris.
    • Conduct this task before the first rain, and after any subsequent significant rainfall.
  • Use a first flush diverter:
    • After any dry spell of more than a month, the first flush diverter should be opened or emptied (depending on the style of first flush diverter you have), in order to clear out any collected debris.
  • Remove any overhanging branches of trees, shrubs or potential perches for birds from anywhere that there water may be collected from.
  • Fitting the water tank with a seal, to prevent any mosquitoes, small insects or organic matter from entering the water tank.
  • Ensure that you are not collecting rainwater from a roof or gutter that is:
    • Made from preservative treated wood
    • Coated with bituminous products
    • Coated with lead based paints
  • Do not collect rainwater from a part of the roof with:
    • A chimney from a wood burner
    • Discharge pipes from roof mounted air conditioners or hot water systems
  • If you are still concerned about the quality of your rainwater system, you can fit a water filtration device to any taps where the water would be used for drinking.

Do I need to test the water in my tank?

In order to check if water tank cleaning is required, some people may look into having their water tested in order to check the remaining water is clean and fresh. However, unless a smell or colour has been detected in the water, testing of water in your domestic water tank is not normal practice, and would not be expected in most circumstances.


If you do want to have the water in your rainwater tank tested to determine whether water tank cleaning would be required, this should be compared to the Australian Drinking Water Guidelines.

Best practice would be to ensure the cleanliness of your water tank with the actions above; ensuring all rainwater harvesting facilities are cleaned regularly, that the water tank is kept clean, and the internals of the tank are inspected once every three months. 


If you feel any further testing or cleaning is needed, contact your local Pioneer Water Tanks Dealer.

Commercial and Industrial Water Tank Cleaning

If you’re looking for water tank cleaning for commercial or industrial tanks,

Pioneer Water Tanks offers a water tank inspections and water tank maintenance service. 


Offering GoPro internal inspections, Remote Operated Vehicle unmanned internal tank inspections and video conference inspections, in order to ensure the best inspections for your water storage tank.

From here we can determine if any cleaning, repair or maintenance is required.

Frequently Asked Questions About Water Tank Cleaning:

Do water tanks need cleaning?

How often should a water tank be cleaned?

How do I clean my water tank at home?

Which chemical is used to clean the water tank?

Why is my water tank brown?

Can you drink water from water tank?

How long does water stay fresh in a tank?