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How To Choose What Type Of Rainwater Tank Rain Water Tank Is Best Suited For Melbourne
There aren`t many consolations to a rainy day-- cosy couch time, soothing sounds of water on the roof, and maybe a rainbow or a puddle-splash afterwards. But you can add one more by placing a water tank to capture some of that downpour: it`ll shrink your environmental footprint by minimizing your demand on mains water and the quantity of stormwater runoff into rivers and oceans, and can also reduce your water bill in the longer term.
Rainwater tanks are no longer just huge, round and ugly; they are available in all shapes and sizes that can make efficient use of minimal or tricky urban spaces.
Water for outdoor or indoor usage?
Easily the most important issue to consider before you purchase and install a water tank is how you want to use the water.
Utilizing the water outdoors-- for watering the garden and washing the car, for instance-- is the simplest way to start, as you possibly just need the supplier to install the rainwater tank, rather than a licensed plumber. And it will immediately cut your utilization of mains water.
Save much more by sending the rain water to your toilet, washing machine or hot water system, but you`ll need a licensed plumber to connect the rainwater tank to your mains supply.
What size rainwater tank do I require?
The capacity you choose will rely on the size and shape of your household and garden. Round, squat tanks fit adequately under a deck, while slimline tanks are good for narrow spaces. An underfloor tank or bladder storage system is a good out-of-sight space saver, however is more expensive.
Your roof area and the annual rainfall in your region will also have to be considered. To help determine the size and shape that`s suitable for you, sellers often provide calculators on their sites, or your water authority may be able to help.
What else do I need to understand before getting a water tank?
Rainwater tanks typically come in the following materials:
Metal tanks are made from corrugated or flat rolled metal, which may be galvanised or coated. They often feature a plastic inner lining (Aquaplate) that will increase the life of the tank and protect the water quality.
Polyethylene (plastic) tanks are well-liked as they are fairly cheap and durable. Because rust isn`t an issue, they are a good option for people living near the coast. Other synthetic materials, such as PVC and geotextile, are utilized for bladder storage. Bladders are useful for water storage below a deck or floor; while their material is tough, it`s not intended for outdoor installation.
Fibreglass tanks are rust and chemical-resistant and designed to withstand extreme temperatures. They`re not the cheapest alternative, and preferable for above-ground installation, while all other styles can also be set up below ground.
Concrete tanks, often used for agricultural and industrial purposes, won`t rust, burn, melt or blow away. They can be bought ready-made, or customized onsite.
Ask your community council and water supplier which rules and regulations are applicable in your local area. You may need to hand in a development or building application, and there may be policies around drinking rainwater or mosquito breeding prevention, together with restrictions on the tank`s specific location, colour, height and labelling or noise regulations for a pump.
Are you remodeling, building new or retrofitting?
If you are restoring or building, in lieu of retrofitting, you may need to incorporate energy and water-efficient components in your plans to adhere to new legislative requirements.
Extra costs
When acquiring quotes, inquire if there are any additional costs for delivery and installation; extra materials (such as pipes, fittings and taps); alternative extras (such as a first-flush or backflow-prevention device); a pump (unless you can employ gravity for water pressure); and a stand (unless you would like to put it on the ground or below it, by which case you`ll need to think about the cost of special ground prep or excavation).
If you wish to connect the tank to your mains supply of water, factor in the cost of a licensed plumber, and charges for any additional work that needs to be done to your roof and/or guttering.
Can you get a water tank rebate?
Check with your local water or government authority to see if you`re entitled to a cash rebate or bill reduction-- the answer may depend upon the size of the rain water tank and whether it`s connected to a toilet and/or washing machine.
Rainwater tanks can fluctuate from around $700 to $2000, starting from a small, freestanding model without pump or extras, to large, custom-built models. Costs vary basing on the size, material, finish and strength of the tank.
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