PUREWASH™ ALTO 10 - Spot Free Water System


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PUREWASH™ ALTO 10 - Spot Free Water System

Are you sick of dealing with water spots on your paintwork caused by the minerals in your tap water? We often see customers with nasty water spots - and what most people don't realise is that this is your tap water; not rain water, that is causing that damage. All water has a certain 'hardness' that corresponds to the levels of minerals in your water - the more minerals; the more heavy water spots. So what do you do about it??

PUREWASH to the rescue! The NZ Made PUREWASH™ ALTO 10 COMPLETELY REMOVES the minerals in your hose/tap water to leave completely pure, deionized water that leaves a spot free rinse. The PUREWASH™ ALTO 10 is completely plug and play! Simply run your garden hose into one end and plumb the other end to either your water blaster or hose reel. The ALTO 10 can handle flow rates to 10 litres per minute - so is easily paired with all domestic and most commercial grade water blasters.

  • Made in New Zealand
  • 10 Litre Resin Tank
  • 10" Carbon Sediment Pre-Filter
  • Low ongoing Running Costs
  • Easy Maintenance
  • Size- L55 cm x W 30 cm x H 53 cm
  • Weight- 12kg Filled
  • Total Litres of "Spot Free" Water- 4000L -5000L Depending on Inlet Water Quality
  • On-demand "Spot Free" Flow Rate Above 10 Litres Per Minute

If you are unsure if you need a PUREWASH™ or want to measure your water first we also have these handy TDS meters to measure the 'Total Dissolved Solids' in your water. Anything above 20-30 will cause water spots (most NZ taps range 50-100). https://www.unitedcarcare.co.nz/products/tds-meter

The PUREWASH™ ALTO 10 is a serviceable unit. The resin must be replaced when your water raises back to a TDS level of anything 20ppm or above. United Car Care stocks replacement resin. The pre-filter must also be changed out every second resin replacement.

We HIGHLY recommend having a read through this PDF document to really help you understand the PUREWASH™ system before purchase. Click here to read.

New Zealand Standard Shipping

  • Flat Rate NZ Wide - $9.99 or $14.99 for Rural Delivery
  • Orders Over $199 - Free Shipping
  • South Island 1-2 Working Days
  • North Island 2-3 Working Days
  • Rural Add 2 Extra Days


  • Calculated At Checkout
  • 10-20 Working Days


  • Calculated At Checkout
  • 10-20 Working Days


  • 7B Birmingham Drive, Middleton, Christchurch

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Customer Reviews
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New Zealand

Pure wash really works

The pure wash works and is so easy to set up. There is no stress drying the car off now it just doesn’t leave water spots. Wish I had if bought this a long time ago.

Brent E.
New Zealand New Zealand

Halve your wash time

Used for first time over weekend. Washed our three cars in half the time. No towel drying or detailing required. Completely spot free after simple wash

Trevor M.
New Zealand New Zealand

Exceeded my expectations

Having consistently good water was the next step in my detailing. It was the units sturdiness and practicality, that first caught my eye. Sure enough, it took my tap water from 85 TDS reading, to Zero. It was when I used it for my first wash, that I realized what spot free was. Shampooed my Metallic Black, S7, hose washed off through my Purewash. Left to stand and dry, not a spot to be seen. Very cool bit of kit.

Don M.
New Zealand New Zealand

An enjoyable and useful luxury

So much of detailing is being patient, no short cuts, finish each phase correctly before the next, thats what gets the result. Well pure wash gives you a speed advantage and if you are time poor and feel that is worth it its really great.You can blast with it and wash off with it and do a pretty scant dry off and youll get away with it, no water spots. As someone who used two speed towels to dry plus a blower I can now slack on that and just get the most of the water and leave the rest. I find garaging it to finish drying produces a slick no spot finish.Its a time saver. I was warned if its dusty or in my case pollen fall youll get spots of dust/pollen in the water droplets easy to slick off with a plush towel and detailer later as not your usual water mark.Its great, thats why I garage. Watch depressurising it before hose release to avoid a wet fright. Good for fast home window washing as well.

New Zealand New Zealand


Comes with a short hose to plug into your water source(or blaster) using the standard quick disconnect garden hose fitting. Removes drying hassle and fear of water spots, which can be a very tedious or rushed process for some. Allows you to mix and dilute your chemicals without fear of water spots or streaks. Allows you to flush your entire cooling system, too. Saves you time, hassle and worry, potentially removing the final contact phase of your wash and reducing risk of swirls. Cannot recommend enough.

United Car Care PUREWASH™ ALTO 10 - Spot Free Water System Review