Crystwater

Water Treatment Consumables & System Support

Engineer-led supply of RO membranes, filter cartridges, filtration media and commercial water treatment solutions across Australia.
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RO Membranes · Filter Cartridges · Activated Carbon · Ion Exchange Resins · Commercial Systems

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Find products and systems by application, with technical selection support from Crystwater.

Domestic Products

Household filtration products, cartridges, housings, domestic RO and UV products.

Explore domestic products

Commercial & Industrial Consumables

RO membranes, filter cartridges, activated carbon, ion exchange resin and OEM replacement consumables.

Standard Equipment & Instruments

Standard RO, UF/MF, UV, dosing, monitoring and support equipment for practical water treatment applications.

Shop Ready-to-Ship products

Explore selected Crystwater products available for online ordering.
10" x 4.5" Big Blue PP Sediment Water Filter Cartridge – 2 Pack
Sale

10" x 4.5" Big Blue PP Sediment Water Filter Cartridge – 2 Pack

10" x 4.5" Big Blue PP Sediment Water Filter Cartridge – 2 Pack
$39.95
$39.95 $48.95
20" x 2.5" PP Sediment Water Filter Cartridge – 4 Pack
Sale

20" x 2.5" PP Sediment Water Filter Cartridge – 4 Pack

20" x 2.5" PP Sediment Water Filter Cartridge – 4 Pack
$54.95
$54.95 $65.95
20" x 4.5" Big Blue PP Sediment Water Filter Cartridge – 2 Pack
Sale

20" x 4.5" Big Blue PP Sediment Water Filter Cartridge – 2 Pack

20" x 4.5" Big Blue PP Sediment Water Filter Cartridge – 2 Pack
$54.95
$54.95 $64.95
Crystwater Premium Coconut Shell Granular Activated Carbon
Sale

Crystwater Premium Coconut Shell Granular Activated Carbon

Crystwater Premium Coconut Shell Granular Activated Carbon
$19.95
$19.95 $24.95
Suqing Water Softening Resin – Na⁺ Form Cation Exchange Resin
Sale

Suqing Water Softening Resin – Na⁺ Form Cation Exchange Resin

Suqing Water Softening Resin – Na⁺ Form Cation Exchange Resin
$19.95
$19.95 $24.95
Keensen BW-4040 Brackish Water RO Membrane Element
Sold out

Keensen BW-4040 Brackish Water RO Membrane Element

Keensen BW-4040 Brackish Water RO Membrane Element
$268.00
$268.00 $328.00
Keensen BW-8040 Brackish Water RO Membrane Element
Sale

Keensen BW-8040 Brackish Water RO Membrane Element

Keensen BW-8040 Brackish Water RO Membrane Element
$798.00
$798.00 $980.00
Keensen ULP-2521 Ultra Low-Pressure RO Membrane
Sale

Keensen ULP-2521 Ultra Low-Pressure RO Membrane

Keensen ULP-2521 Ultra Low-Pressure RO Membrane
$148.00
$148.00 $198.00

Service & Maintenance

Water Treatment Service & Maintenance

Engineer-led support for existing residential, commercial and industrial water treatment systems.

Crystwater helps customers maintain, troubleshoot and restore existing water treatment equipment through practical diagnosis, scheduled maintenance, RO/UF membrane replacement, filter change-outs, media replacement and service recommendations.

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01

System Diagnosis & Troubleshooting

Identify common causes of low flow, pressure drop, poor water quality, membrane fouling or frequent filter blockage.

02

Membrane, Filter & Media Replacement

Support for RO/UF membranes, sediment and carbon cartridges, activated carbon and resin replacement.

03

Service Report & Recommendations

Practical service notes, maintenance intervals and upgrade recommendations where required.

Commercial & Industrial Water Treatment Support

Need help selecting RO, UF/MF, filtration or replacement consumables? Crystwater provides practical engineering-led guidance for Australian businesses.

  • RO, UF/MF and pretreatment support
  • Replacement membranes and consumables
  • Activated carbon, resin and filter cartridge supply
  • OEM supply and skid-mounted system guidance
Request Technical Support View Water Treatment Solutions

Why Choose Crystwater

Engineer-led product selection, direct OEM supply and practical water treatment support for Australian residential, commercial and industrial customers.

Engineered Selection

Practical product selection backed by 15+ years of water treatment experience.

Direct OEM Supply

Direct sourcing for membranes, filter cartridges, resins and filtration media.

Broad Application

From whole house filtration to commercial & industrial RO, UF systems and consumables.

Fast Response

Product and technical enquiries are typically responded to within 24 hours.

Water Treatment Knowledge Hub

PFAS in Australian Water: What the 3M Lawsuit Means for Water Treatment

PFAS in Australian Water: What the 3M Lawsuit Means for Water Treatment

PFAS contamination has become a major water quality issue in Australia following legal action over PFAS-containing firefighting foam. This article explains what PFAS are, why water testing matters, and how...
Activated Carbon vs Carbon Block Filters: Which One Should You Choose?

Activated Carbon vs Carbon Block Filters: Which One Should You Choose?

Granular activated carbon and carbon block filters are both used to reduce chlorine, taste, odour and organic contaminants in water. This guide explains the key differences, flow rate considerations, pressure...
When Should RO Membranes Be Replaced? Key Signs of Fouling, Scaling and Performance Decline

When Should RO Membranes Be Replaced? Key Signs of Fouling, Scaling and Performance Decline

RO membranes should be replaced when product water quality declines, permeate flow drops, operating pressure increases, salt rejection decreases or chemical cleaning no longer restores performance. This guide explains the...
PFAS in Australian Water: What the 3M Lawsuit Means for Water Treatment

PFAS in Australian Water: What the 3M Lawsuit Means for Water Treatment

PFAS contamination has become a major water quality issue in Australia following legal action over PFAS-containing firefighting foam. This article explains what PFAS are, why water testing matters, and how...