What filtration actually does for your health, your home and the environment — without the marketing spin. We'll be straight with you about what filtration does, and what it doesn't.
Perth's tap water is treated to WHO drinking water standards — it's safe straight from the tap. Filtration adds an extra layer of refinement that removes the chlorine taste, reduces compounds that some people have skin sensitivity to, and gives you confidence in what you're drinking and bathing in.
If you're drinking Perth tap water you're not unhealthy — the supply is safe. But filtration removes the chlorine taste that puts many people off drinking water altogether, and for households with eczema or sensitive skin, the difference in shower water is often noticeable within days.
Perth water carries residual chlorine for treatment safety. Carbon block filtration removes the chlorine taste and odour, making water more enjoyable to drink straight from the tap.
Households with eczema or skin sensitivities often notice improvements within weeks of installing filtration — particularly for chlorine-reactive conditions.
When water tastes better, you drink more of it. Many families report drinking 2-3 times more water after installing filtration — a real health benefit that doesn't get talked about often.
Whole-home filtration means every tap, shower and ice maker pulls from the same filtered source — no need for separate bottled water or under-sink systems.
This is where filtration genuinely pays for itself. Perth's hard water — particularly in the northern coastal suburbs — causes measurable scale damage to hot water systems, dishwashers, washing machines, kettles and coffee machines. Scale prevention protects these appliances over years of service.
At 200 mg/L water hardness, Battelle Memorial Institute research shows a typical hot water system loses 16% of its efficiency over five years to scale buildup, plus 5-7 years off its operating lifespan. A whole-home filter prevents this — the payback period is typically 4-6 years on appliance protection alone, before you account for the filtered drinking water.
Scale buildup is the leading cause of hot water system failure in hard-water areas. Filtration prevents scale formation, extending hot water system life by 30-50% in typical Perth conditions.
No more chalky white deposits on shower screens, tapware and tiles. Less time scrubbing scale, less expense on descaling products and chemicals.
Scale build-up causes premature wear on heating elements and pumps. Whole-home filtration protects every appliance that uses water — often adding years of service life across multiple appliances.
Kettles need descaling regularly in Perth's hard water areas. Coffee machines build up scale that affects taste and eventually fails the brew unit. Filtration eliminates both issues.
Filtered tap water replaces bottled water for a typical Australian family at the rate of approximately 200 single-use plastic bottles per person per year. Across a four-person household, that's 800 bottles saved annually — every year, for as long as the system is running.
Filtration's environmental impact mostly comes from displacing bottled water. The cartridges themselves are single-use plastic-based products, so it's not a zero-impact solution — but switching a family from bottled water to filtered tap water still removes hundreds of plastic bottles from the waste stream every year, year after year.
A typical 4-person Australian household consuming bottled water uses around 800 bottles annually. Filtration eliminates this entirely while still giving you drinking-quality water.
Bottled water is heavy — transporting it from production to retail to your home has a significant carbon footprint. Filtered tap water travels metres, not kilometres.
Three filter cartridges per household per year replaces 800+ bottles. Even accounting for the plastic in the cartridges, the net waste reduction is substantial.
Perth has world-class water treatment infrastructure. Using treated tap water (rather than bottled imports) supports continued investment in that infrastructure for everyone.
Whether it's a CHF replacement or a fresh installation — let's talk through the right option.
Complete Home Filtration and CHF are trademarks of their respective owners. Proper Water is not affiliated with, endorsed by, or sponsored by Complete Home Filtration. PW Series replacement filters are independently designed for compatibility with standard 15" × 4.5" filter housings. All comparative pricing based on Complete Home Filtration's publicly published rates as of 2025.