Puragain Water
6-Stage Alkaline RO

Pure water, plus the minerals your body needs.

Six stages of purification remove 99% of contaminants, then our alkaline mineral cartridge adds back calcium, magnesium, and potassium for water that hydrates better.

$42/month*Zero Down · Free Install · 7-Year Warranty
6-Stage Alkaline Reverse Osmosis System by Puragain Water

Why Alkaline Reverse Osmosis?

99% Contaminant Removal

The same hospital-grade RO purification, removing lead, arsenic, PFAS, fluoride, bacteria, and more.

Essential Minerals Added

Calcium, magnesium, and potassium are reintroduced after purification for optimal hydration.

Alkaline pH 8.5 to 9.5

Elevated pH supports your body's natural acid-base balance and may improve hydration absorption.

Smooth, Refreshing Taste

Minerals give the water a naturally smooth, slightly sweet character that people prefer over flat RO water.

Alkaline reverse osmosis system detail showing mineral cartridge

99%

Contaminant Removal

6

Purification Stages

pH 9.5

Alkaline Level

7 yr

Full Warranty

6 Stages of Purification & Mineralization

Five stages remove everything harmful. The sixth puts the good stuff back in.

1

Sediment Pre-Filter

Traps sand, dirt, rust, and large particles to protect downstream filters and extend system life.

2

Carbon Block Filter

Absorbs chlorine, volatile organic compounds (VOCs), and chemical tastes that degrade water quality.

3

Carbon Block Filter

A second carbon stage for deeper chemical removal, ensuring maximum chlorine and odor elimination.

4

RO Membrane

Forces water through a semi-permeable membrane, rejecting up to 99% of all dissolved contaminants.

5

Post Carbon Polishing Filter

A final polish that removes any residual taste or odor before the water enters the mineral stage.

6

Alkaline Mineral Cartridge

Infuses purified water with calcium, magnesium, and potassium, raising pH to a healthy 8.5 to 9.5 range.

The alkaline advantage.

Standard RO removes everything, including the beneficial minerals your body needs. Our 6th stage puts calcium, magnesium, and potassium back in, raising the pH to an optimal alkaline range.

  • Better hydration at the cellular level
  • Supports bone health with added calcium
  • Smooth, naturally sweet taste
Close-up of alkaline mineral cartridge and purified water
Refreshing glass of alkaline water with mineral-rich properties

Hydration, elevated.

Mineral-rich alkaline water is absorbed more efficiently by your cells, helping you stay hydrated longer. It supports bone health, may help neutralize free radicals, and simply tastes better than flat, stripped-down purified water.

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Lifetime Service Included

Every plan comes with professional maintenance for the life of your system. No surprise bills, no hidden fees.

Annual Water & pH Testing

We test your water every year to ensure your system is performing at peak efficiency and proper pH levels.

Unlimited Service Calls

Something not right? We come out at no extra charge, as many times as you need.

Annual Maintenance

Filter and mineral cartridge replacements, sanitization, and full system check-up included every year.

Everything Included

6-Stage Alkaline RO

$42/month*
  • 6-Stage Alkaline RO system & dedicated faucet
  • Professional installation
  • Annual filter & mineral cartridge replacements
  • Annual water quality & pH testing
  • Unlimited service calls
  • 7-year warranty on all parts
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*With approved credit. 7-year term. Price does not include tax. See full terms at checkout.

Frequently Asked Questions

How is this different from the standard RO system?

The alkaline system includes all 5 stages of our standard reverse osmosis system, plus a 6th stage: an alkaline mineral cartridge. After purification removes 99% of contaminants, the 6th stage adds back beneficial minerals (calcium, magnesium, potassium) and raises the water's pH to 8.5 to 9.5.

What minerals are added back to the water?

The alkaline mineral cartridge infuses your purified water with calcium, magnesium, and potassium. These are essential minerals your body needs daily. The exact mineral content is verified during your annual water test.

What pH level does the water reach?

The alkaline cartridge raises purified water to a pH between 8.5 and 9.5, which is considered optimal for alkaline drinking water. For reference, regular tap water is typically between 6.5 and 7.5.

How often does the mineral cartridge need replacing?

The alkaline mineral cartridge is replaced annually along with all other filters as part of your included lifetime service plan. Our technician handles everything during your annual maintenance visit at no additional cost.

Is everything covered under lifetime service?

Yes. Your monthly plan includes all filter and mineral cartridge replacements, annual maintenance visits, annual water testing, pH verification, and unlimited service calls. The only thing not covered is damage caused by misuse or unauthorized modifications.

Pure water with the minerals your body craves.

Get started with alkaline reverse osmosis. Zero down, free installation, lifetime service.