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  • Australia's #1 Choice for Water Filters

    5 Stage Reverse Osmosis Water Filter System with Alkaliser

    • Removes Chlorine and Fluoride
    • Improves Taste, Colour and Smell
    • Raises Water's pH to 8.5 - 9.5


    To view the current cartridge replacement for this water filter please click here: 

    535.99 $535.99
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    5 Stage Reverse Osmosis Water Filter System with Alkaliser

    Reverse Osmosis Systems remove Fluoride as well as all other minerals and impurities from our water.

    However, recent studies have shown that it also leaves the water with a low pH (or acidic) - which is not ideal for humans drinking water.

    Optimal water for human consumption is called ALKALINE WATER which refers to water with a pH of 7 or higher. 

    This 5 stage reverse osmosis system is a way to provide Reverse Osmosis filtration, whilst still maintaining a pH of 7 or higher.

    With this Alkaliser you will find 8.5 to 9.5 especially over the first 6 to 12 months.

    Complete with a 12 litre Storage Tank, cartridges, 50 GPD Membrane, Components and thorough instructions to get you up and running.

    What Makes This Product Unique

    The three stage pressurised component of this RO system is certified to Watermark Standards AS/NZS 3497 Under the Certificate number 23247.

    Watermark certification is the level of certification required by law for a licensed plumber in Australia to install a water filter system.

    All products used under this certification will give you peace of mind knowing that your water filter complies with Australian plumbing codes. 


    STAGE 1: Polyspun Sediment Cartridge

    These economical sediment cartridges are constructed from Polypropylene which is spun and melted simultaneously. This technique means there is no centre core to restrict filter performance.

    These sediment filters are compatible with most liquids and have no chemical residuals. These filters are highly effective for sediment, rust, sand, silt, and algae removal.

    They are extremily high performing, and carry a heavy load of sediment before requiring replacement. We choose to use these sediment filters over all other types due to the high performance, high flow rate, high load capacity, and there inabilty to grow bacterial slime.

    Can be replaced every 6 months for bore & untreated water or every 12 months for normal chlorinated tap water.

    STAGE 2: Carbon Block Filter Cartridge

    Many sellers of RO systems offer a sediment filter in this position. This is a pure waste of money.

    These systems are primarily used on town water so after the sediment pre-filter, the most important filter should always be a Carbon Filter to protect the life of the membrane.

    The carbon block cartridge will remove any larger components but more importantly, will stop chemicals from reaching the membrane.This should then prolong your membrane life (the membrane is your most expensive and crucial component) for a life of 3-5 years.

    Can be replaced every 6 months for bore & untreated water, then 12 months for chlorinated tap water.

    STAGE 3: Reverse Osmosis Membrane

    The RO membrane is the "engine room" of your R/O. All the crucial work is done here, so all the filters before the membrane are primarily there to protect the membrane.

    This membrane is a 0.0001 micron rating. It is classed by the manufacturer to be a U.S 50 gallon per day membrane (190 litres). However, these figures are for optimum working pressure/conditions and will rarely apply in the domestic Aussie kitchens.

    We predict the production of water to be more like 60-90 Ltrs/day. Although this is restricted considerably from the manufactures specs, it's a more realistic guide based on our experience and offers more than enough water for a 5 person home for cooking and drinking.

    The reduction rates for the membrane are as follows:

    • Inorganic Organic Rejection Aluminum 98%

    • Adrazin Over 98% 

    • Arsenic 98% 

    • Aldrin Over 98% 

    • Benzene Over 98% 

    • Barium 95% 

    • Chlorine Over 98%

    • Cadmium 95% 

    • Chloroform Over 98% 

    • Calcium 98% 

    • DOT Over 98% 

    • Chloride 95% 

    • Dichlormethane Over 98% 

    • Chromium VI 98% 

    • Endrin Over 98% 

    • Copper 98% 

    • Fluoranthene Over 98% 

    • Fluoride 95% 

    • Herbicides Over 98% 

    • Iron 98% 

    • Lindane Over 98% 

    • Lead 98% 

    • Methoxychlor Over 98% 

    • Magnesium 98%

    • PCB Over 98% 

    • Manganese 98%

    • Pesticides Over 98%

    • Mercury II 85% 

    • Perchlorethylene Over 98% 

    • Nitrate 90% 

    • Phenole Over 98% 

    • Potassium 95% 

    • Tannic Acids Over 98% 

    • Selenium IV 95% 

    • Toxaphene Over 98% 

    • Silver 98% 

    • Trichlorethlene Over 98% 

    • Sodium 95% 

    • Trihalomethanes Over 98% 

    • Strontium 98% 

    • V.O.C.'s Over 98% 

    • Sulphate 98% 

    • Total Dissolved Solids 95% 

    • Zinc 98%

    After the water passes through the membrane it travels to the 12 litre storage tank. This is where the pure water is stored until you draw water from your filtration faucet on your kitchen sink. When you turn on your faucet that is when the water will move out of the holding tank and towards the final 4 & 5 stages of filtration.

    The Membrane can be replaced every 3 to 5 years.

    STAGE 4: Alkaline Cartridge

    This Filter is the Ultimate Post RO filter. The alkalising filter can raise and retain a constant pH between 8.5 and 9.5 over a 12 month period and potentially longer. This unique cartridge is made up from pure Sub-nanometer minerals and contains pure Magnesium to provide a superior pH stability in the high alkaline range.

    Can be replaced every 12 months.

    STAGE 5: Xstream Carbon 

    Extremely high grade Coconut Carbon cartridge for maximum extraction of taste or odour issues. We built this filter specifically for use after the Alkaline Cartridge, however it's uses are endless, particularly where taste and odour are a problem in drinking water. It provides clean, crisp tasting water.

    Can be replaced every 12 months.

    Here's What Our Customer's Say

    Save Money 

    Let's say you pay $2.50 for a 500ml bottle of water, thats around $15.00 a week. Add that amount up over a year and you may be wasting around $780.00 of your money.

    Imagine saving thousands of dollars from the cost of buying bottled water compared to using a water filter.

    What’s more, you get unlimited safe and healthy drinking water. We also deliver our products for FREE and you get a 30-day money back guarantee. The product comes with free insurance too!

    Maintenance and Replacement Cartridges

    To view the current annual cartridge replacement price and information for this water filter please click here:

    • Cartridge Pack for 5 Stage Reverse Osmosis Water Filter System with Alkaliser

    The My Water Filter Difference

    “We love our products and what we do so below are just some of the things we do to make a difference”

    We Give Together

    When you buy a water filter or home water solution from My Water Filter, at no extra cost to you, we give life changing drinking water to people in need on your behalf.

    Bit by bit we make a difference together. Check out our giving page here.

    “We also deliver our products for FREE and you get a 30-day money back guarantee. The product comes with free insurance too!”

    Free Delivery Australia Wide
    Our 10 Guarantees
    30 Day Money Back Guarantee
    5 Year Warranty

    Product ID 1603
    Model 5 Stage Reverse Osmosis Water Filter System with Alkaliser
    Number of Filtration Stages 5+ Stages
    For Water Type City Scheme (Fluorinated and Chlorinated) Water
    City Scheme (Chlorinated) Water
    Country (Unclorinated) Water
    Bore/Well Water
    Hard Water
    Dimensions 43cm H x 37 cm W x 21 cm D

    Height: with stand - 41cm; without stand - 38.5 cm
    Width: 27 cm
    Filter Cartridges Stage 1 - Polyspun Sediment Filter Cartridge
    Stage 2 - Carbon Block Filter Cartridge
    Stage 3 - RO Membrane
    Stage 4 - Xtream Alkalizing Filter Cartridge
    Stage 5 - Xtream Carbon Filter Catridge

    Warranty 12 Months


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    Customer Testimonials

    Hi Rod,

    Thank-you so much all your help, great customer service and intensive product knowledge. My husband is a hard man to please when it comes to water. The only water he would drink was the Nobel's Ultra Pure water. Not only was it an inconvenience to buy the 10L boxes, it also wasn't environmentally friendly.

    Initially I had chosen a filter that I had thought would be ideal for us only to realize my husband had changed his mind and didn't want the filter we had chosen. I called Rod, explained the problem and and he saved the day. Not only did he cancel our original order he helped us find something more suitable. We are extremely happy with the water filter we purchased. My husband told me that he wish he'd made the switch years ago.


    Water filter was delivered very quickly, easy to set up, looks and works great. Very happy with this service. Thanks!


    Hello Rod,

    My gorgeous water filter arrived today and I just wanted to say thank you for a superb product. It was amazingly well packed (my biggest concern!) and is a beautiful addition to my kitchen.

    I'm so glad I found you. This means not only healthier drinking water for us but also no more buying pure water for my kombucha production.

    Many thanks and best wishes to you,

    Hi thank you for the water filters,ultrapure 0.5 micron ceramic and  ph neutralization, my rain water  taste so great ,also I checked the pH now is 8.5 previous was 5.5,so happy with the filters thanks again

    "Thank you so much for your expert advice and pleasant manner. It has been a fantastic experience interacting with My Water Filter and the products which you have supplied are fantastic."

    -Josh Hoare 

    Hi Rod,

    Thanks for sending me the replacement filter pack for the Aroma Sense Shower. Best price online & super fast delivery from WA to Sydney in 2 working days. A great company to deal with!

    Thanks again.

    Mark from Sydney

     I can recommend purchasing whole of house filters and a UV replacement tube from My Water Filter, because Rod and his team are extremely helpful and their prices are very competitive. Will be ordering from them every year.

    "Gday Rod, Thanks for the under sink water filter, I never used to drink a lot of water, because I simply didn't like the taste to it. I have been a coca cola drinker for over 20 years. But with our new my water filter the water is so fresh and clean. The horrible chlorine taste and smell are a thing of the past. I am drinking more and more water now every day. I feel fresher and healthier myself already. So many thanks my water filter, much appreciated. Regards Dave"

    I email four companies and you were the only one that replied back. Every question i had you email straight back. When i went ahead and order the item, it was delivered within 2 working days. Thanks for the quick and fast service and yes i am ordering from you again and will recommend you to my friends.




    I purchased the benchtop 12L filter, and it’s just what I needed. It removes all manner of bad content and adds in the good stuff, the minerals, and you can’t taste anything. It tastes like fresh water. Better than the bottled stuff.

    At first, even after emptying out one load as per instructions, it tasted horribly like sucking on a wet terra cotta pot (well how I would imagine it), but I emptied the batch out and filled it up again, and it was perfect. Just needed that one extra flush.

    On-going, it’s easy to use.