A pool holds a lot of water, but it doesn’t need to consume very much.
If you already have a pool or are thinking about buying one, there are many ways to help conserve water. The average domestic swimming pool holds between 20,000 and 60,000 litres of water. Once it’s filled, it should only need topping up occasionally.
Just reducing the amount you top up, and the number of times you do it, can result in significant water savings. Water that is not filtered and balanced can become so contaminated it has to be drained away and replaced. That’s a waste. Poorly maintained pools may also require more frequent backwashing. So the best way to conserve water is to maintain the right chemical balance and ensure your filtration is adequate.
Run the filter for 8 to 10 hours a day in summer or whenever anyone is using the pool. This will skim surface leaves and dust away and keep the water clear and clean. Sand or DE filters are cleaned by reversing their flow to flush away any trapped material. This process is called ‘backwashing’, and is wasteful if done too often or for too long
Maintaining the correct water balance will avoid the need to empty and refill your pool, but you don’t have to be a scientist to correctly balance your pool. Just follow these three basic rules. First, adjust the Total Alkalinity level. Second, adjust the pH. Third, ensure the required amount of sanitiser is added either manually or by an automatic chlorinator.
Freshwater Systems such as the one from Naked all still require water balance as stated above. However, with such low TDS levels in the water, and without need to add stabiliser or blockouts, managing your chemical water balance is much easier to maintain.
CORRECT WATER LEVEL
The water level should always remain about half way up the skimmer box opening. Overfilling the pool reduces the effectiveness of the skimmer.
POOL COVERS & WATER TANKS
Pool owners often invest in a pool cover to keep heating costs down. But these covers also dramatically reduce evaporation and water loss.
Pool covers are generally more expensive than blankets. They cover the whole pool, preventing up to 95% of evaporation, compared with a blanket where there may be gaps between the blanket and the edge of the pool.
SPASA Australia also strongly endorses the installation of water tanks to provide adequate supplies of top up water.
PREVENT WIND EXPOSURE
Wind contributes to evaporation. To reduce water loss, adjust the landscape around your pool with walls and hedges that create shelter from the wind.
WHAT TYPE OF FILTER SHOULD I USE?
Sand filters require backwashing which, if you backwash every week in summer, can use up to 5000L of water every year. It is recommended that you purchase a cartridge filter if you are installing a new pool or replacing the filter. Cartridge filters do not require backwashing to be cleaned, so they use less water. If you are not at a stage where you can change to a cartridge filter, there are secondary filter systems that will allow you to return water used in back flushing to the swimming pool.
As the water in a Naked Pool is so very low in chemicals, and basically freshwater the same as from your tap at home, when backwashing a sand/glass filter you are able to use the water on your garden and lawn opposed to having to dispose of by means of dumping.
One drip per second can waste 7,000 litres of water in a year and a steady dribble would drain the entire volume of water in the pool. All pools – especially older pools – need to be checked regularly for damp spots. Consult your SPASA Pool Shop Member or Service agent for a thorough audit of your entire water management system.
SAFETY SAVES WATER TOO
Around a pool, children can become over excited and over confident. They should be supervised at all times when in the pool and their behaviour monitored. ‘Bombing’ and general horseplay can cause accidents and waste a lot of water. Excessive splashing will see many litres evaporate from the surrounding deck or paving.
To put all this into perspective, a pool contains a lot of water but it doesn’t consume very much – or at least it does not have to. Showering, watering the garden and washing the dishes all consume much more water. That water goes into the ground or down the drain, whereas a pool or spa stores water for use over and over again.
In addition, with the Naked Fresh Water System, you can save water in the household too as there is no need to shower or wash swimwear after using a Naked Pool. It is just like ‘swimming in a freshwater stream”.
Water conservation is a priority in the State of Victoria. The best thing a pool owner can do is install a new – or convert your existing pool – to a Water Neutral Pool. This basically means having a high quality system to supply water, filter and sanitise it. For full details go to http://www.spasavic.com.au/water-neutral-pool