Cascade Water Co. logoCascade Water Co. Water Filtration

Inline mineral cartridge

Remineralization Filter

Puts calcium and magnesium back into RO water.

Best for: Pairs with either reverse osmosis system

Reverse osmosis removes nearly everything, including the minerals that give water its taste. This inline cartridge adds a small amount of calcium and magnesium back for a smoother, more natural taste.

  • Smoother, less flat taste
  • Adds calcium and magnesium
  • Slightly raises pH
  • Simple cartridge replacement
Call 410-924-6138
  • Free water test first
  • Free installation by licensed plumbers
  • Backed by our warranty
In the box

What’s included

  • Inline mineral cartridge
  • Fittings for your RO system
  • Free installation with an RO system, by a licensed plumber
How it works

Step by step

  1. Mineral cartridge

    Filtered water passes over mineral media that dissolves slowly into it.

Learn more: How remineralization works

What to expect

Install day, step by step

  1. Free water test firstWe test at your tap and confirm this is the right system and size.
  2. Professional installA licensed, insured plumber installs it with a bypass valve.
  3. We test the resultWe test your treated water so you can see the difference on the spot.
  4. Walkthrough & clean-upWe show you how it works and leave your space as clean as we found it.
Full specifications

Specs & requirements

Typical specifications for this class of system. Exact model specs are confirmed in your quote.

Key specs

Type
Inline remineralization cartridge
Replacement
About every 6–12 months
Works with
Tankless RO and 5-Stage RO

Components & certifications

Cartridge
[PLACEHOLDER: brand/model]

Warranty

Lifetime
Tanks and dry parts
5 years
Control valve and circuit board
5 years
Filtration media
1 year
Installation labor

Full warranty details

Also in add-ons

Cascade Water Co. otter mascot in a company cap and shirt, holding a water filter and a wrench

Not sure this is the right system?

A free in-home water test tells us exactly what your water needs. We’ll recommend the right size and setup.

Get a quote

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