UltraStream Undersink


UltraStream Undersink Bundle Deal and save – Deal includes everything you need except the plumber*!

  • A White UltraStream
  • UltraStream Under Sink Kit with a Chrome Vented Faucet
  • Instruction manual for the under the sink installation
  •  pH test kit

Click here for a video on how to install the UltraStream under the sink or see below

Please note:
1. Due to a high sediment level in certain water suppliers and in some rainwater tanks, we strongly advise installing the 10″ Pref-Filter prior to your UltraStream.
2. If you have bore water (well water) please contact us before your purchase.
3. Don’t try to install the UltraStream without our special vented faucet.
4. Does not include: Flow Diverter & Hose or Adaptor Set
5. UltraStream Colour May Vary

For a free upgrade from a standard 1 Year Warranty to a 3 Year Warranty click here.

(269 customer reviews)

Click here to find out all about the UltraStream

*Can be put under the sink by a handyman as the vented faucet makes the installation safe from serious water leakage.

AlkaWay cannot be held responsible for under the sink installation of the UltraStream.


269 reviews for UltraStream Undersink

  1. Anonymous

  2. Vicki M.

  3. Maisie Bertuccio

  4. Philip C.

    Thank you, appreciated the heads up to replace the cartridge. We love our clean water and get regular compliments from our visitors on the quality of water. We always endeavour to take enough water from home when away.

  5. Stephen H.

    I am thankful for the yearly reminder and the prompt delivery of our Ultrastream. This year I asked if there was a little extension pipe and lo and behold it was in the parcel – no problems

  6. Clare


  7. Toby Coote

  8. Eddie

    great service, speedy delivery

  9. Lyn & Rainer Dultz

  10. Rajendra Kumar

    I received my replacement Cartridge within three days after ordering and with free delivery.

  11. Anonymous

  12. ANN W.

    The replacement cartridge is easy to replace. I drink a glass of water before other beverages and the water from the UltraStream makes a lovely cup of tea it’s always refreshing YEAH!!

  13. Lachlan

    Very prompt service , great products, water tastes sweet.

  14. Graham

    New replacement cartridge was easy to install. After running it in for 20 minutes I had my first drink – and later had to visit Mother Nature. This reassured me that the filter was working to perfection. Now body has readjusted to drinking the purest water money can buy. A great and important product to have and to use daily in one’s home for better health and sense of well-being. No argument need be entered. Graham.

  15. Michael Halberstadt

    I’m extremely happy with the functional capabilities of this product – its second to none. What I’m disappointed about is the price… one would expect with economies of scale that the price of goods should come down? Yours has done the opposite! I have been an Alkaway customer for 10 years and spent thousands of dollars with you, so the perception of excessive price inflation doesn’t sit well with me.

  16. John McKay

    Really pleased with the pH reading on our water once the new cartridge was installed. Would have been nice to receive a reminder of the installation process (or a brochure with the link to the undersink manual (I forgot about the ‘John Guest’ tool – not sure I recall where I’ve put it, but I managed without it (eventually!))

  17. Anonymous

  18. Jo

    Great product,I’ve been using the filter now for along time,and it’s one thing I wouldn’t go without, the delivery time is great,I’m in country Qld and order on a Thursday night late knowing they are closed Friday,my order arrives via courier usually Tuesday morning by 8am

  19. Megan P.

    Excellent customer services and product

  20. Neil Smith

    Love the product and service. Have nothing but a positive experience

  21. Benjamin Ridley

  22. Megan

  23. Ann-Marie von Douglas

    Couldn’t be happier. Such quick service. Easy to order and no dramas. I do credit the Alkaway system with keeping me healthy after my cancer. Love my lovely water!

  24. Cheryle

    Love this water filter, this is our third year of using it.

  25. Mirko Iovtchev

  26. Maureen

    The product is excellent but I received the replacement filter without any installation instructions enclosed.

  27. Anonymous

  28. roland short

    Great product ,have been using it for many years now , very happy👍

  29. Martin Harris

    No problem all delivered and fitted well thank you,

  30. Kristy Porter

  31. Ian

    Yes happy with the delivery of replacement filter

  32. Ian L.

  33. Peter Martyn


  34. Billie Hicks

    It arrived as ordered – did take some time getting here however.

  35. John Blanken

  36. Diana Killen

    I recommend the Ultrastream to all my nutritional clients. I’m very happy with it.

  37. Christine S.

    Service is always prompt

  38. Jarmila T.

    Great product excellent service. Highly recommended!

  39. Leonie

    Fast, efficient delivery. Great product technology.

  40. Alla Redigolo

  41. vincent moleta

    Ordered on Jul 23, still waiting for delivery as at Aug 7 !!

  42. Jamie

  43. Joy

    The water quality is absolutely pristine, truly luscious to drink, and when used to make my tea, its simply delicious, it really makes the pure flavour of the tea shine through as its supposed to! I am completely satisfied with this product.

  44. Gregory Hicks

    Solid product….delivers ultra clean water.

  45. Libby Dodd

    Wonderful reminder from Alkaway and quick service and delivery

  46. Tony Duguid

  47. Howe Hee

    Great product services and shipping arrangement from understanding customer service team, thanks.

  48. Anonymous

    Being using it for few years and it is great!

  49. Graham Cotter

  50. david parkinson

  51. Grazyna Durak

  52. Anonymous

  53. Megan Pang

    Happy with the products and services

  54. Wayne Rigg

  55. Norman

  56. Heta

    I am very happy with my Alkaway filter.

  57. Timothy crowley

  58. Karen Hayes

    Just wish I could have bought the one without The stainless steel as mine was just fine to reuse. I thought I was buying just a replacement cartridge. Tell me how to do that next time.

  59. Barry Jackson

    A great water filter& great service.
    Thank you

  60. Matthew Tulk

    excellent turn around

  61. Walter H.

    It fittet.

  62. Melissa

    Great product

  63. Kim B.

    Very happy!

  64. Tom Bunko

  65. Simona Milea

  66. Mike H.

    Excellent water filter. We would love to have the under sink model, but that will have to come later!

  67. Russell T.

    Arrived very quickly, easy to install. I didn’t realise how dirty the old filter was. Would be really good if I could recycle the old filter somehow – hate sending it to landfill 🙁

  68. Roger Griffiths

  69. Lana

    Always a fabulous product, used them for years.

  70. Brigitte

  71. Harold Blake

    Holidays too long in the hottest most water comsuming part of the year..

  72. Angie McKenzie

    Very quick to send and good communication as well as good product

  73. Amy G.

    Love this Alkaway system!! Best water.

  74. John McKay

    Great product, great service

  75. Garry Harrison

    Pleasure to do business with you. Will be in touch when a replacement filter is required.

  76. Christine S.

    We love our filter, we have been happily supplied for over 4 years now. Even in these uncertain times the warmth and service remains. I definitely will continue to support this wonderful Australian business!

  77. Lyndsay Fenwick

    Great makes drinking water so easy

  78. Susan

    Love the ease and longevity of this amazing filter for Sydney water! Definitely worth $250 per year!

  79. Nick Matthews

    Speed of delivery great. Could you provide a water pH tester as well please?

  80. Julia H.

    Great water! Fast service!

  81. Anonymous

  82. Lucas C.

  83. Stephen Mifsud

    Its initial the purchase cost of the filter is high however over the years I have realised how cheap it really is.

  84. Ann-Marie von Douglas

    Always perfect, but this time a bit of a hiccup because the address line was not complete and the delivery was returned to you and delayed. Doesn’t affect the quality of the water however! 🙂

  85. Gail Dillon

  86. Anne-Marie

    Great products easy straightforward ordering and delivery. Never had a problem with the company. I’m a return purchaser

  87. Jason Garde

  88. Melissa

  89. tim morris

  90. Imants Kins

  91. Stephen Williams

    Great quality product

  92. Anonymous

  93. Neil

  94. Jodie

    Always can tell the difference when we put a new cartridge in 🙂

  95. Howe Hee

    I certainly support the idea of reusing and thus reducing environmental load. However, to encourage people to be environmentally friendly, the price of the filter should reduced as the material costs for the overall product is reduced (no SS sleeve and cap are removed).

  96. Tracy C.

    Seriously Easy to Replace

  97. Anonymous

  98. Brian

    Easy to install replacement cartridge (anyone could do it), up and running with great water within the hour. Would of course recommend to others.

  99. Stefan Atanassoff

    all in good order

  100. Merlin Baker

  101. Anthony Wilson

    Does a great filtering job for such a compact unit.

  102. Liz R.

  103. Andy A.

    After three years on AlkaWay, I don’t ever want to go without it.

  104. Libby Dodd

  105. Janine

  106. Leonie

    My Ultrastream water filter is an essential part of my life – I never want to be without the wonderfully heathy, pure, alkaline h20 it provides me!
    My recent purchase of a replacement cartridge is actually my 3rd one – with my everyday usage of this water filter system I replace the cartridge every 12 -16 months to ensure its working properly. It’s just a single person household use for me.

  107. Natalie Gina

  108. Johnny (2798)

  109. Roman B.

    Perfect product

  110. Louise Fairhurst

  111. Karl-Heinz Gleich

    I love this Water

  112. Greg Tombs

    Even after a few weeks the unit continues to drip after use, then takes time then to get a steady stream each time. I have only changed the filter. Is there anything else I can do to alleviate the issue

  113. Gary M.

  114. Casey Lau

  115. Michael Czajka

    Wish it had bone char instead of aluminium as a filter media for fluoride… but love the 3000 L filtering capacity.

  116. Tristan Moore-Wood

  117. Steve Schiller

  118. Deanna Brookhouse

    Easy order, quick delivery

  119. Tom Bunko

  120. Eric Young

    Quick and efficient service, thank you

  121. Anonymous

    I had completely forgotten the set up rule and did not find any hints on the box about how long to run the filter. I could not work out what was wrong with our foul tasting water at first. I threw the first 2 lts but had forgotten to run it for 20 mins. Please include these details on the box more clearly. I had to do an internet search to find what was wrong. God knows what I have drunk- carbon I suspect!

  122. Mark

    No problems, all good.

  123. Alan Saunders

  124. Igor Antoniak

  125. Egon

  126. Graeme

  127. Graeme Whitlock

  128. Kimberly

    The product is of the high standard I expected. However I was lucky to receive it because it was incorrectly addressed – even though I filled in delivery details correctly(!) Fortunately I had many people looking out for the delivery with me.

  129. Graeme Gingell

    We reqeived it in good order as expected.

  130. Les lavis

  131. Cheryl

    Love the beautiful taste of clean fresh water. Dad did a taste test with Mum and she picked it straight away. She is 82.

  132. Kim

    Great efficient service with a great product. Thankyou

  133. Anonymous

  134. William C.

    Great product, delivered on time, no problems.

  135. Sarah Chen

    Efficient service! Great product!

  136. Marilyn Box

    Very fast delivery

  137. Robert Carr

    Fast and furious delivery. Thanks.

  138. Henriette M.

  139. Mary McCallum

    Products arrived very quickly. Ordering was extremely easy. Excellent service, thank you.

  140. Wendy Cole

    Very happy with quick response to my order, and delivery time. Filter excellent. Thank you all at Alkaway.

  141. Janine W.

    Always happy with your efficient and quick delivery of my replacement filter. Been using your filter now for many years, and I don’t like drinking other water, because I can taste the difference, even when I go out I take my own water bottle. Thank you all, may we have many more years together.

  142. Natalie

    Very quick delivery

  143. chiaw wang

  144. judith McKenzie

    I received the replacement cartridge quickly and we were grateful and it was easy to install. However a few days later I emailed the company to ask what to do about the fishy tasting water and they still haven’t responded. It is now days since I emailed, the water now tastes ok but the email site suggested I would receive a reply in minutes!

  145. Neil Cunningham

    Thanks again. Greet service.

  146. Allana J.

    Easy online ordering, quick delivery and great communication. As I use this as an underbench system, it was disappointing that there wasn’t any installation instructions included.

    >> Hi, It’s in the manual you can get it again here http://www.alkaway.com.au/downloads/ultrastream/ultrastream-manual-final.pdf

  147. Marjorie Leggett

    love the filter can taste the difference again with new one.

  148. Anonymous

    Very happy with this product

  149. Catherine Phillips

    As always – great products and very fast delivery. Thank you.

  150. Julie Mckee

    Is it normal for a white residue to be visible on glass after dinking the water. Also seems to have a slightly soapy taste.!

  151. Doug Wakefield

  152. Jennifer Kennedy

    Our replacement cartridge arrived in record time! Thanks Alkaway!

  153. Laura Fett

    The fitting on my Ultrastream machine was incompatible with the filter you sent. I expected you would know what filter to send given you supplied the original machine.
    When I asked for a fitting which would fit properly your person told me to send photos? Photos of what? I work full time and don’t have the energy to frig around sorting this out. So I asked my son make a part in his workshop and he got it working properly.
    I am very disappointed that you did not supply the correct part and that you then wanted me to provide evidence which you should already have since you sold me the original unit.
    I have been a customer of yours for many years and have, previously, recommended your company.
    This would never have happened with Leon.

  154. Greg B.

    Top job

  155. Anonymous

  156. Robert L.

    This was a replacement cartridge for our existing excellent and most effective filter. I have had water filters for more than 30 years, this is by far the best ever.

  157. Gary H.

  158. Mervyn

    Although we have no issues with the filter, the prices are going up every year and we may have to switch to another solution with more reasonable replacement costs.

  159. Fiona Reynolds

    All good, thank you.

  160. Anonymous

  161. John Maddy

    efficient service with prompt delivery

  162. Anonymous

    Happy with the replacement purchase.

  163. Glenn

    Always excellent service from this company

  164. Russell Z.

    excellent product and service. Thanks

  165. Ian Johnstone

    Have bee using for a number of years. I can’t drink tap water now!

  166. Andrina

    Great filtration system and very good customer service.

  167. Anonymous

    have been using for 4 years and are totally satisfied

  168. Ruth Wallis

    The service was fantastic, have ordered before, and the product is everything we need. Couldn’t be happier with Alkaway and their service and product.

  169. cathie

    fast reliable replacement filter . would recommend

  170. Anonymous

    We love this pure, soft water! It helps us to be motivated to DRINK OFTEN! So worth it! Thanks Alkaway.

  171. Ian G.

  172. Greg Tombs

    Quick response to order and delivery

  173. David Graham

    Ian, team – love your work – cheers – David Graham

  174. Annette


    Love this water

  176. Mark Kruse

    We love the water from this filter, makes it extremely hard to drink normal tap water

  177. andrew

  178. Rochelle Doukas

    Great service and the best water to drink.

  179. Samantha

    Very happy with the quick delivery of my replacement cartridge and the UltraStream unit is a must for every household!


    Excellent , very happy with Alkaway , as allways :o)

  181. Jacqueline Szemes

    Speedy service, very happy

  182. Harriet Clutterbuck

    It’s good that you send reminders when it’s time to change the filter otherwise I might not get around to it. And as always the staff are friendly and helpful

  183. Anonymous

    could be cheaper

  184. Almeda Peer

  185. Edward Burk

  186. Anonymous

  187. Shiralee W.

  188. Jenie Simpson

    Quick service 👍

  189. Gary Macri

  190. Anonymous

    Best filter we ever used!

  191. Alan Everett

  192. Anonymous

  193. Sharree C.

    Fantastic water filter system and so easy to replace yr filter each year.

  194. Irene Veltman

    Love the taste

  195. Henriette Muys

    Great product, great service

  196. Peta T.

  197. Mark W.

  198. barbel vogeley

    very good

  199. Carol O’Connell

  200. Elizabeth

    Great product, swift service

  201. Nanditā Jackson

    This is a truly excellent product!
    We are very pleased to have the Ultrastream in our house. The water quality is amazing – our bodies feel well hydrated, healthy and happy! Thank you Ian and team at Alkaway for your research and development of the Ultrastream.
    We can highly recommend this product – you will be as pleased as we are with it!

  202. Brendan Wilkie

  203. Andy F.

  204. Renee

  205. Jeannine Andrews

    You got the colour wrong but notified us. All good

  206. Shane D.

  207. Dereck

  208. Joy Watson

    Pleased to see less waste

  209. Karen McPaul

  210. Bob L.

    Whats to say, I got exactly what I asked for

  211. Josef Wild

    as above.

  212. Edward Enoka


  213. dean s.

    I have been using the ultrastream for about 5 years and love the quality of water I consume.

  214. Roslyn

  215. Diane Bourke

  216. alan harrison

    All good but the cost is making it difficult to justify the outlay each year

  217. Helen R.

    Really happy with this product. I have been using it for many years

  218. Anonymous

  219. Graeme Gingell

    Been using for 5 years…all good

  220. ChristineChristine Hollow

  221. michael nicholls

  222. Robert Bacon

  223. Phillip Herbert

  224. Lisa Mollison

    great !

  225. Russell Workman

  226. Michael Stevenson

    we have been using alkaline water products from Alkaway for 15 years now and the Ultrastream water filter is among the best providing beautiful wet tasty water that we know is safe to drink

  227. Neil

  228. Dean Rees-Evans

  229. Chris

    Love this water filter, you can certainly taste the difference.

  230. Anonymous

  231. Alessandra FAVARO

    Superb service

  232. Allana J.

    Easy online ordering, quick delivery and great communication. As I use this as an underbench system, it was disappointing that there wasn’t any installation instructions included.

    >> Hi, It’s in the manual you can get it again here http://www.alkaway.com.au/downloads/ultrastream/ultrastream-manual-final.pdf

  233. Kristine E.

  234. Anonymous

  235. Sara Louise George Harrison

  236. Megan

    Awesome product

  237. Carolyn

  238. Anonymous

  239. Nicholas I.

  240. Aaron S.

  241. Diane

    very expensive with delivery costs on top!

  242. Mark Kruse

    Best water!

  243. Derek Wagner

  244. Andrea C.

    This filter makes such a difference to the taste of the water. We’ve invested in this system for the last 5-6 years and wouldn’t be without it.

  245. Roberta Chircop

  246. Ivan Kaplun

    Great product

  247. Wendy C.

    A quality product as always. Thank you very much.

  248. Harriet Clutterbuck

    We like this filtered water

  249. Merilyn Baker

  250. Huon Feitscher

    Love the product that’s why I keep buying year after year

  251. Adrian

  252. Ashley Hearl

    Love This Product

  253. Ron Harris

  254. Helga J.

  255. maria

  256. Graham R.

  257. Walter

  258. Gary McCue

  259. Timothy crowley

    Ended up getting black instead of what was ordered

  260. Douglas

    easy-to-replace cartridge supplied

  261. Junea

    Fast delivery and we are very happy with the filter. We will definitely buy again next year.

  262. Michael W.

    As far as I can see the best filter option out there

  263. Jade

  264. Roger M.

  265. Darius

  266. Annette

    Once a year replacement works for me.

  267. Nick

    Love Alkaway Ultrastream products

  268. Matthew Tulk

    easy to install now watched the youtube video.

  269. Linda Burnett

    The cartridge was well packaged, arrived in excellent condition and produces clean alkaline water which is a pleasure to drink

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