We mapped Water Corporation's hardness data across 28 zones and calculated the real appliance damage cost for households in Perth's hardest areas — Yanchep, Butler, Two Rocks and Neerabup. The numbers are worse than most people realise.
Water Corporation publishes an annual quality report but it's dense with numbers. Here's how to find your zone, what each measurement means, and what to act on.
Step-by-step guide — shut-off, housing removal, cartridge swap and sanitising. Takes 15 minutes and saves you a service call every year.
We ran the numbers — purchase price, salt cost, water waste, service calls and energy use — over a decade for a typical 4-person Perth household.
Most homeowners compare filter quotes on price alone. Here's what else to ask for — and a template you can send to each supplier to get apples-to-apples responses.