All of the information in this section is designed to help you make an informed decision" to choose the best poly tank for your needs and to ensure that it continues to do an effective job for many years to come. It's also vital to know that a water tank is made of the right material for your family's health and local conditions. Ask your agent or manufacturer if your tank meets Australian & New Zealand Standards - is it certified to AS/NZS 4766: 2006 Polyethylene Storage Tanks for Water & Chemicals? They will be able to show you a copy of their certification or the tank will be clearly marked as being licensed to the standard. The standard isn't mandatory so if your tank is not certified here are some great questions to ask when buying:
A - Some imported tanks are made from material that isn't suitable" might not have a warranty " or include fittings that are difficult and expensive to replace.
A - Our local climate can be incredibly harsh. Polyethylene is ideal because it contains the right ingredients to make it endure our environment.
A - If light can get into your water tank it can help algae grow" " which can affect the health of your family. The government standard sets manufacturer guidelines about the correct thickness and colour of material. Properly certified polyethylene is safe for drinking water. Unfortunately some imported tanks may not be made from material which has been properly tested.
A - The calculation in the standards ensures that manufacturers can only state the actual amount of water that can be stored in the tank once fittings have been installed.
A - Good manufacturers will be able to trace your product to its source material" hold records of when and where it was made " and detail what tests it underwent before leaving the factory.
A - Don't be seduced by lengthy warranties. Ten years is a reasonable warranty period. Carefully read the conditions and installation instructions before you buy so that you know your rights and obligations should you ever need to make a claim.
A - Like any material" " plastic has some limitations when it is placed under stress (by filling). It's important that your tank has been well designed and properly tested to ensure it's suitability for purpose.
A - Your manufacturer should give you written guidelines to help you maintain the base" " fittings and installation of your tank so it will last and continue to provide excellent quality water storage.
A - The ARMA are the representative body of the majority of leading poly tank manufacturers in Australia and New Zealand. We help our members to maintain their status at the forefront of the industry and to set the leading standards in the water tank marketplace. All of the companies mentioned on this site are our members. Check to see if your manufacturer is a member by clicking here or calling us on +61 (0) 7 3812 1450.
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