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Reverse Osmosis Mineral+ Cartridges

Reverse Osmosis Mineral+ Cartridges

$254.00 NZD
$254.00 NZD
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Shipping calculated at checkout.

Filters for the RO Mineral + system.

Stage 1 and stage 3 recommended change 12 month intervals.

Stage 2 recommended change 24 month intervals.

Your filtration system works hard every day to keep your water safe and healthy. Over time, filter cartridges naturally become saturated with the contaminants they remove. By replacing the cartridges at the correct intervals this ensures you system continues to provide safe, healthy water. 

As part of our ongoing effort to reduce plastic waste, this system has reusable cartridge outers, only the internal filters will be sent out - they simply screw into the casing.

We offer a subscription service for these filter, save money (10%) and time with auto-deliveries. 

The Tech behind this system

Stage 1 (CP) is a dual stage filter with highly activated coconut carbon block and a melt blown Poly sediment filter (no binders/adhesives used).

Stage 2 (RO) this is the Reverse Osmosis membrane with 0.0001 micron filtration.

Stage 3 (CM) this is a highly activated coconut carbon block with 0.5 micron accuracy and natural minerals for enhancing the water.

Customers rate us 4.9/5 based on 31 reviews.

Why you'll love the RO Mineral+

  • Ultimate Hydration - knowing every glass is deeply purified and essential minerals replaced accurately
  • Drink water with total confidence thanks to advanced reverse osmosis filtration & certifications to back it
  • Removes what people worry about most; fluoride, nitrates, heavy metals, PFAS & more
  • Clean, smooth taste that makes drinking more water effortless.
  • Adds back essential minerals so your water hydrates you, and doesn’t taste flat or stripped
  • Smart display shows water quality and filter life at a glance, no guessing
  • Charges via USB, single charge lasts around ~8 months.

One system, certified for NZ water conditions. Ultimate Hydration.

We stand behind our products. If you’re not satisfied, simply return it for a full refund.


How it Purifies your water

Step 1: Pre-Filtration
First, sediment + activated carbon (1000 iodine value) filtration to reduce chemical and particulate contaminants. This stage protects the RO membrane.

Step 2: Reverse Osmosis Purification
The RO membrane removes a wide range of unwanted contaminants with a 0.0001 micron membrane, including but not limited to fluoride, nitrates, heavy metals, bacteria, viruses, cysts, pharmaceuticules & more

Step 3: Mineral Enhancement
Finally, a mineral + activated carbon stage adds back essential minerals for a healthier, cleaner, smoother taste, so the water doesn’t feel flat or stripped.

Smart Monitoring (No Guesswork)
The built-in display tracks water quality and filter life in real time, so you always know your system is performing.

Maintenance overview

This system is designed for simplicity.

  • Pre-filters and mineral filters are replaced once every 12 months
  • The reverse osmosis membrane is replaced every 24 months
  • Eco-friendly, only replace the inside, outer casing is reused.
  • Smart alerts tell you when it’s time
  • Quick-change cartridges make replacements easy
  • Optional filter subscriptions mean replacements arrive automatically, right when you need them - this works out to 83 cents per day

Low maintenance. Long-term reliability. Clean water without the hassle.

Shipping and Peace of Mind

We make getting set up easy.

  • Free/Fast, reliable shipping across New Zealand & Australia.
  • Your system arrives complete with everything needed for installation
  • Backed by a 2-year warranty
  • Tested and certified to recognised water filtration standards
  • Local support from a passionate team who uses these systems themselves

No guesswork. No stress. Just a system you can rely on, long after checkout.

Technical specs

Filtration Type: Reverse osmosis system with mineral enhancement

Flow Rate: 1.4–2.4 litres per minute (dependent on water pressure and supply water temperature)

RO Membrane: High-output 800 GPD membrane

Contaminant Reduction: Fluoride, nitrates, heavy metals, PFAS, chlorine and more

Remineralisation: Natural mineral stone for improved taste

Water Efficiency: Approx. 4:1 water-to-waste ratio

Monitoring System: Automatic flushing with built-in TDS and filter life monitoring

Power Supply: 4500mAh rechargeable battery (USB charged)

Single charge lasts up to 8 months

Filter Design: Eco-friendly cartridges (replace internal filter only)

Installation: Under-sink system with dedicated tap (black or silver options)

Certifications: CE, RoHS, EMC certified. The carbon block is certified by IAPMO R&T according to NSF/ANSI 42 & 53.The RO membrane is NSF 58 & 61 certified.

Warranty: 2-year manufacturer warranty

Installation Support: Fixed-rate installation available in Canterbury and Auckland

RO & Contamination Removal

Reverse Osmosis (RO) is one of the most trusted water purification technologies in the world - used in medical facilities, laboratories, pharmaceutical production, bottled water manufacturing, and even desalination plants. By forcing water through a semi-permeable membrane as fine as 0.0001 microns, RO removes dissolved contaminants including fluoride, nitrates, heavy metals, bacteria (E.coli), viruses & protozoan parasites such as Giardia, PFAS, micro & nano plastics, pharmaceuticals, cysts and excess total dissolved solids.

Our system is paired with 2 additional highly active carbon stages, these aid the process and help protect the membrane delivering exceptionally purified drinking water.

Which Change Stage?

30-day Money Back | Certified System

Free shipping | 2 - year Premium Warranty
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Trusted by Kiwis throughout Aotearoa

Real-Time Water Quality Monitoring

Advanced on-board monitoring system ensures your water is always pure.

Bottled water $2 - $5 per day vs -

83 cents per day.

RO system comparison

How does the RO Mineral+ compare?

Hydrate Filters RO Mineral+
Other common brands under-sink RO
Standard RO with tank
System Hydrate Filters RO Mineral+ Other common brands Under-Sink RO Generic / Import Standard RO + Tank
Filtration performance
Filtration stages More stages = more thorough filtration ✓5 stages Sediment, carbon, RO, carbon, mineral ⚠3 stages ⚠Mixed Varies by import unit
NSF / IAPMO certified Independently verified to remove what's claimed ✓Certified NSF 42, 53, 58 & 61 ✗None listed No certifications on product page ✗Often unverified
Lab-tested on NZ water Real NZ tap water, not lab samples ✓Hill Labs verified ✗Marketing claims only ✗Not tested
Fluoride & nitrate removal ✓Yes ✓Yes (claimed) ✓Yes (claimed)
PFAS, heavy metals, bacteria 0.0001 micron RO membrane ✓Yes ✓Yes (claimed) ✓Yes (claimed)
100% natural mineralisation Replicates spring water, raises pH ✓Natural minerals Alkaline output ⚠Mineral stage Source unspecified ✗None Stripped, flat-tasting
System design
No power supply needed USB rechargeable, ~8 months per charge ✓USB rechargeable No electrician needed ✗Mains required Noise from pump ✗Mains required Slow flow rate
No holding tank Fresh water on demand, no stale risk ✓Tankless ✓Tankless ✗Large tank Bulky, water can go stale
Real-time TDS monitoring Smart display + filter life alerts ✓Built-in display ✗No display ✗No monitoring
Long-life filter replacements 12-month pre-filters, 24-month membrane ✓83¢/day on plan ⚠Reminder service ⚠Varies
Support & peace of mind
NZ-based support team Real Kiwis, real help ✓Local specialists ⚠Online form only ✗Overseas support
30-day money-back guarantee ✓Yes ⚠Satisfaction promise ✗Not offered
2-year warranty ✓2 years ⚠Limited warranty ⚠Often 1 year
Fixed-rate NZ installation Canterbury & Auckland ✓Fixed rate ✗DIY only ✗DIY only
Overall 13 / 13 3 / 13 3 / 13

High Nitrates? or looking to remove Fluoride?

The RO Mineral + is highly effective at removing Nitrates and Fluoride. Unfortunately, New Zealand has a growing issue with elevated nitrate levels and we believe everybody should prioritise clean, accurately filtered water for effective, safe hydration.

Remineralization

An inherent drawback of RO filtration is the removal of essential minerals. While effective at eliminating contaminants, this process produces demineralized, acidic water with reduced bioavailability and hydration potential. The RO Mineral+ addresses this issue through a specialized post-filtration stage containing 100% natural minerals. This stage reintroduces beneficial minerals and elevates the pH to Alkaline, resulting in balanced, mineral-enriched water that supports optimal hydration.

Learn more

100% Natural Remineralization

Inspired by the way mountain spring water flows through mineral-rich geology, this stage gently reintroduces beneficial trace elements, supports a balanced pH, and enhances the natural taste and mouthfeel of your drinking water.

The result is water that is not only clean - but structured, balanced, hydrating, and enjoyable to drink.

dual tap for water filter and kitchen mixer

Don't want the additional filter tap?

We have dual kitchen taps available, these run the filter system and kitchen mixer in one tap.

Dual Tap

Want to Learn more about RO?

Understand how RO works, what it removes, and whether it’s right for your home.

Lets go!

FAQ's

Does reverse osmosis remove minerals from water?

Yes. Reverse osmosis removes up to 99% of dissolved solids, including both harmful contaminants and beneficial minerals such as calcium and magnesium. That’s why a quality remineralisation stage is important for long-term drinking water quality.

Is RO water safe to drink long-term without remineralisation?

While RO water is extremely pure, long-term consumption of de-mineralised water is not ideal. Adding minerals back helps support:

  • Proper hydration
  • Electrolyte balance
  • Natural taste

The RO Mineral + accurately restores key minerals after filtration. Increases pH to Alkaline.

How often does the RO Mineral + cartridges need replacing?

Stage 1 and 3 are around 12months and stage 2 (RO membrane) around 24months. This does depend on daily use, the system had a digital flow meter to monitor filter life.

Can children and pregnant women drink remineralised RO water?

Yes. Remineralised RO water is safe for the whole family, including children and pregnant women, as it provides essential minerals while removing harmful contaminants.

Does this system require any power?

Yes but it does not require a constant power supply. The system has an internal battery that charges via USB C and each charge lasts around 8 months. This function monitors the water quality, filter life and auto-flushing for the RO filter.

Is this system good for NZ water?

Yes, very good. It removes all common contaminants found in NZ water supply. We continue to routinely lab test (Hill Labs) actual NZ tap water to support and ensure our systems do what they say.

Can you help with install?

Yes, we offer a fixed-rate install service for this system. Just $200 and a professional will arrive and install. Available throughout most of NZ.

I live in a rental, can I take the filter system with me?

We hear this often. Yes, the systems are easy to remove and take with you. We have also added a dual tap option available which means the filtered water comes through the same tap as the kitchen sink.