Tank Water

$355.00$580.00

Haven’t completed our Water Quiz yet?
We recommend doing so before making your purchase. The quiz helps you choose the ideal PreFilter setup for your specific water source and needs, ensuring the best results for you and your family.

Our standard tank filter set includes an Ultra filter (0.01 µm) and a KDF55/Carbon/Mineral filter. To maintain peak performance, remember to rinse the ultrafilter regularly. For best results, install a 5-micron filter after the pump to prevent dirt and sediment from clogging the ultrafilter.

See below for more details on the key features and specifications of our tank water filters.

More Add-ons

Key Features

  • Designed to optimise water ionizers electrolysis performance
  • Multiple medias used for an ultimate synergistic filtration
  • One of the highest filter lifespans for fluoride – 6000L
  • Internal filter microbial growth control
  • 304 stainless steel option housing
  • Broad range of contaminant reduction
  • Maintains minerals and trace elements
  • Designed for Australian water, made in Australia
  • Watermark components
  • NSF Certified components
  • Compression fittings instead of barbed fittings
  • Converts harmful contaminants into harmless substances
  • Cartridge replacement at 6000L or around 12 months, whichever comes first

contaminants removal/benefits

KDF55

  • Heavy metals: Lead, Mercury, Nickel
  • Chlorine, partial chloramine
  • Hard water minerals that cause scale
  • Iron
  • Hydrogen sulfide
  • Microorganisms: Bacteria, Algae, and Fungi
  • Increases the carbon filter life by 30%
  • Convert harmful contaminants into harmless substances

Catalytic Carbon

  • up to 99% of total suspended solids (TSS)
  • Oxidation-reduction reactions, which help break down complex contaminants.
  • PFOSs
  • Volatile organic compounds (VOCs) e.g. benzene
  • Heavy metals
  • Chlorine
  • Chloramines
  • THMs
  • Pharmaceutical residue
  • Pesticides
  • Herbicides
  • Sediments

Mineral Combination

  • Neutralize acidity
  • Correct pH
  • Add trace elements
  • Add minerals
  • Increase Ca, Mg, K, Na
  • Absorb heavy metals
  • Absorb toxins
  • Improve electrolysis
  • Enhance taste

Fluoride Filter

  • Next generation fluoride filter, no alumina oxide or activated by alumina oxide
  • Reduce 99% for 6000L
  • Fluoride Ions (F⁻)
  • Sodium Fluoride (NaF)
  • Calcium Fluoride (CaF₂)
  • Aluminium Fluoride (AlF₃)
  • Hydrogen Fluoride (HF)
  • Hydrofluorosilicic Acid (H₂SiF₆)

KDF85

  • Reduces iron and hydrogen sulfide
  • Hard water minerals that cause scale
  • Bacteria and algae.

Ultrafiltration (0.1 µm)

  • Bacteria: Escherichia coli (E. coli), Salmonella, Legionella, and Campylobacter
  • Viruses: Hepatitis A and Norovirus
  • Protozoa and Cysts: Cryptosporidium and Giardia
  • Sediment, silt, clay, and other particulate matter
  • Pesticides, herbicides, and other organic pollutants

TWIN UNDER SINK SPECIFICATIONS

  • Flow Rate up to 7 Litres / Minute
  • Min / Max Pressure 30 - 100 psi (210 - 700 KPa)
  • Min / Max Temperature 5 - 45°C
  • Dimensions (H x W x D) 335mm x 230mm x 120mm
  • Spout Height 240mm
  • Watermark Certification Licence #WM-030064

TWIN ABOVE SINK SPECIFICATIONS

  • Flow Rate up to 7 Litres / Minute
  • Min / Max Pressure 30 - 100 psi (210 - 700 KPa)
  • Min / Max Temperature 5 - 45°C
  • Dimensions (H x W x D) 335mm x 310mm x 110mm
  • Spout Height 165mm
  • Tube Length 1000mm
  • Connections Compression screw lock

TANK WATER PRE-FILTER SPECIFICATIONS

  • Flow Rate 7 Litres / Minute 
  • Min /Max Temperature 5 – 45°C
  • Product Dimensions 61mm x 251mm
  • Micron Rating 5 Micron
  • Material Housing 100% Food Grade Polypropylene, BPA free, BSP free
  • Filter Cartridge 1 - KDF55, Catalytic Carbon, Multiple Mineral Medias
  • Filter Cartridge 2 - Proprietary Fluoride Media, no alumina oxide
  • Inline Cartridge Ultrafiltration 0.01 µm to max 0.1 µm
  • Certification Contains NSF/ANSI42 components

Do you ever worry about the quality of the water you and your family are drinking?


Many households on tank water are unknowingly exposed to bacteria, viruses, and parasites such as E. coli, Giardia, and Cryptosporidium, which can cause gastrointestinal illnesses, diarrhea, and other infections. During warmer months, tank water may be susceptible to algal blooms, especially if exposed to sunlight and nutrient runoff. River water can also be contaminated with bacteria, viruses, and parasites from various sources, including agricultural runoff, sewage discharge, and wildlife faeces. Consumption of untreated river water can result in gastrointestinal illnesses, infections, and waterborne diseases.

Our hand-crafted filter inserts are compatible with our below and above-sink / countertop water filter system to help eliminate these worries by providing you with pure, clean, and great-tasting water.


With our advanced filtration technology, every glass of water becomes a step towards better health, improving your well-being and peace of mind. Don’t compromise on your health — transform your tap water into a fountain of vitality with our trusted water filters. Let's delve into its features and benefits. 

Here’s how:


Key Features of Our Water Filters:

Effective Filtration:

  • Transform your water’s taste and purity with our advanced filtration system. The first filter features a 5-micron washable pleated sediment filter that removes dirt, rust, algae, turbidity, and other particulate contaminants. The powerful second filter, a 0.01 µm ultrafilter, removes pathogens down to 0.01 µm. The final filter combines KDF55, catalytic carbon, and mineral-enhancing, pH-balancing materials to eliminate or neutralize harmful substances like chlorine, chloramine, trihalomethanes (THMs), pesticides, herbicides, VOCs, pharmaceutical chemicals, and heavy metals. It also retains essential minerals like calcium, potassium, and magnesium, improving taste and offering health benefits.

Health Benefits:

  • Tank water may contain harmful chemicals like pesticides, herbicides, and heavy metals from agricultural runoff, industrial pollution, and atmospheric deposition. These contaminants can pose long-term health risks, including cancer, neurological disorders, and reproductive issues. A UV system can also be added for ultimate protection, ensuring your water is free from these threats and supporting your overall health.

Versatile Usage:

  • Our filters provide more than just great-tasting drinking water. They’re perfect for washing produce, cooking, making beverages, filling pets' water bowls, and even watering plants. With mineral-enhanced, pH-balanced water, staying healthy and hydrated becomes simple, enhancing your daily routine.

Importance for Water Ionizers:

  • Our system is designed to reduce contaminants for up to 6000L and is optimized for Kangen water ionizers. It helps reduce contaminants, correct acidic water, add minerals, and control water hardness—key for maximizing the ionizer’s electrolysis process. Clean, mineral-rich water improves ionization and prevents scale buildup, enhancing both the health benefits and lifespan of your ionizer.

Convenience and Portability:

  • Easy Installation: Our Australian Watermark Twin Under Sink System fits compactly under your sink, with a tapered filter tap for easy Kangen water hose attachment. It requires a bench with a ~10mm hole for installation or an optional dual main tap upgrade.
  • Durable Materials: The system uses BPA/BPS-free food-grade plastic or 304 stainless steel and features compression fittings to prevent leaks.

Economical and Eco-Friendly:

  • Cost-Effective: Enjoy purified water at under 8c per litre—far cheaper than bottled water. Save money, reduce plastic waste, and avoid drinking microplastics from bottled water.
  • Local Assembly: Proudly assembled locally with high-quality parts, ensuring reliability and performance. Each filter cartridge is handcrafted with care for superior water purity.
  • Peace of Mind: Comes with a 12-month warranty. To maintain warranty coverage, ensure regular filter changes using our replacement parts.

Additional Notes:

Contaminants removal data is based on manufacture specs, testing or information gathered.


If you have hard water its advised to get the filter kit which adds Zeolite and taste mineral correction along with a water softener. One will need to be added via the Add-Ons page.


  • KDF/Catalytic carbon/Mineral filter is designed to last up to 6000L
  • Fluoride filter is designed to last up to 6000L
  • Ultrafiltration depending on source water will require rinsing after a certain time frame
  • Inline ultrafiltration need to be replaced after 6 months or sooner depending on source water
  • Tank and Bore water should ideally have an additional 5 micron filter to capture sediment between the tank
    and the house otherwise the ceramic or ultrafilter will be so full or sediment it will slow the flow right down
  • The KDF/Catalytic carbon/Mineral filter and fluoride filter must have a sediment filter before them if your source water is known to contain lots of sediment otherwise they will get clogged up and have reduced flow and function
  • If your water is hard, above 80ppm the water softener device is highly recommended
WeightN/A
DimensionsN/A
PRE FILTERS

Twin Under Sink, Twin Above Sink, Triple Above Sink, Triple Undersink

Add-on

H2 booster/minerals cartridge for triple above sink, No Add-on, Inline Ultrafilter for Under Sink, H2 Inline booster for twin systems, I have hard water

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