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Your Pool Doesn’t Have to Be a Water Waster
Your Pool Doesn't Have to Be a Water Waster - Here's How
Cape Town's Day Zero crisis is still fresh in the memory of anyone living in the Western Cape. Dam levels dropped below 20%, taps nearly ran dry, and the way South Africans think about water changed permanently. Today, pool covers are mandated by law in Cape Town, and water restrictions across Garden Route municipalities can kick in at any time. So where does a swimming pool fit into responsible homeownership in this context? The answer is: comfortably - if you set it up right. A well-equipped pool can use far less water than an unmanaged one, and in some cases, less than a lawn of equivalent size. The difference comes down to a few smart choices.
The Biggest Culprit: Evaporation
An uncovered pool loses between 45 and 90 litres of water every single day to evaporation - even on cloudy days. Over a hot Garden Route summer, that's thousands of litres vanishing into the air. Multiply that across a neighbourhood and the strain on municipal supply becomes obvious. The fix is simple: cover your pool when you're not using it. At Pro-X Pools, we supply and install three cover types:
- Solid PVC Cover: stops 99% of evaporation. Ideal for periods of non-use or winter close-down. Also lets you cut chlorination significantly while the pool is covered.
- Leaf Catcher (Shade Cloth): reduces evaporation by up to 70% and keeps debris out. Porous, so rainwater passes through rather than pooling on top. Lifespan of 10+ years.
- Safety Net with Central Tension System: provides child and pet safety while reducing evaporation and debris. A practical dual-purpose solution for family homes.
Start with a Pool That Doesn't Leak
Concrete and marbelite pools are porous, they absorb water, develop cracks over time, and require regular resurfacing. Fibreglass pools don't. The smooth, non-porous gelcoat surface holds water cleanly, resists algae, and requires fewer chemicals. Pro-X Pools hand-laminates every shell we install, producing a stronger, more watertight product backed by a 10-year structural guarantee. If you're already dealing with a deteriorating concrete pool that's losing water, our fibreglass lining service converts it into a sealed, low-maintenance structure so that no full replacement is required.
Heat Efficiently
Heating raises water temperature, and warmer water evaporates faster. The solution isn't to skip heating, it's to heat smartly and always pair your system with a cover. For year-round heating, heat pumps extract warmth from the surrounding air rather than generating it from scratch, making them far more energy-efficient than electric element heaters, and giving you precise temperature control that prevents overheating and unnecessary evaporation.
Salt Chlorinators: Fewer Chemicals, More Stable Water
Manual chlorine dosing is an imprecise process. Overdose and you degrade water quality, irritate swimmers, and potentially need to partially drain and refill to correct the balance. Underdose and you face algae blooms requiring shock treatment and backwashing. Salt chlorinators automate the process, converting dissolved salt into chlorine at a consistent rate. The water stays balanced, requires fewer corrective interventions, and feels noticeably softer on skin and eyes. Fewer interventions also means less backwashing and less water loss over time.
One More Win: Capture Your Backwash Water
Every sand filter backwash discharges several hundred litres to waste. A simple backwash tank captures that water for reuse, returned to the pool, used on the garden, or diverted to a greywater system. It's a small addition with a meaningful cumulative impact.
The Bottom Line
Waterwise pool ownership isn't complicated. It comes down to four things:
- Cover your pool: the highest-impact change you can make
- Choose fibreglass: a non-porous shell that holds water and needs fewer chemicals
- Heat efficiently: solar or heat pump, always paired with a cover
- Stabilise your chemistry: a salt chlorinator keeps your water balanced and reduces waste
Get these right and your pool becomes one of the more responsible features on your property, not a liability. Want to make your pool more waterwise? Pro-X Pools services the Garden Route and South-Western Cape. Whether you're installing new or upgrading an existing pool, we'll recommend the right solutions for your situation.