• Water Treatment Comparison

    Water Treatment Comparison

    This page shows a summary of various water treatment methods and their relative advantages and disadvantages. If you are unsure which system you need, perhaps you should take a look at the problem pages.

    Method Advantages Disadvantages Costing Suppliers
    Water Conditioners Output water is suitable for low sodium diets
    Prevents Limescale, water utilizing appliances last longer
    Increases heating efficiency
    Improves soap efficiency
    Calcium retained, good for diet
    Low running cost
    Won’t treat anything but specific hard water problems Small Property – $146 (£95)
    Typical System – $244 (£150)
    Large Residential / Industrial – $511 (£95315)
    Water Improvements Limited
    Water Softeners Prevents Limescale
    Increases heating efficiency
    Lengthens lifespan of clothes
    Output water may not be suitable for drinking
    Expensive to install and maintain
    £400 ($765) 35,000 grain capacity
    £460 ($869) / 48,000 grain capacity
    Plumbing World
    Activated Carbon (AC) Water Filters Effective in removing organic contaminants from water, will also remove chlorine AC filtration does not remove microbes, sodium, nitrates, fluoride, and hardness.
    Assume that it wont remove lead or other heavy metals unless specified by the manufacturer
    Point of use system – $50+
    Whole house system- $550+
    Big Brand Water Filters
    Ultraviolet (UV) Water Filters Generally kills 99.9% of bacteria and viruses
    High Filtration Capacity (10 Gallons per minute)
    Only kills bacteria, doesn’t remove the dead cells and won’t remove other contaminents approx $500 Quality Water Treatment
    Water Distillers Mimics the natural water cycle process.
    Distilled Water is almost completely pure, free from all forms of contaminent
    Low Filtration Capacity (6 Gallons per day!)
    High running cost (25 cents per gallon)
    $250 – $1700 The Water Site
    Sand Filters Removes most bacteria, and turbity.
    High Filtration Capacity
    Generally best used for swimming pools and ponds.
    Take up a lot of space
    Sulphates and Calcium generally not removed
    $300+ Swimming Pool Store
    Barry Pool Company
    Reverse Osmosis Removes substances that would otherwise cause the water supply to be unhealthy or unappealing, for instance foul tastes, smells or colours.
    Removes Salts and Minerals (lead/mercury)
    Typically, reverse osmosis systems will only recover about 5% of the water that passes through them, the remainder of which goes down the drain as wastewater.
    The storage unit for treated water will support bacteria growth unless regularly disinfected.
    From $259
    (comes self assembled and ready to install)
    Replacement Membranes $5-$130
    Plumbing Supply

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