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Member's Mark Purified Water, 16.9 Fl Oz, 40 Ct

Common questions

Is Member's Mark Purified Water, 16.9 Fl Oz, 40 Ct healthy?

Member's Mark Purified Water, 16.9 Fl Oz, 40 Ct scores 60/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This purified water product is derived from municipal sources, which typically involves more processing compared to natural spring or aquifer water.

How processed is Member's Mark Purified Water, 16.9 Fl Oz, 40 Ct?

Member's Mark Purified Water, 16.9 Fl Oz, 40 Ct is NOVA Group 1: Unprocessed or Minimally Processed Foods.

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Member's Mark Purified Water, 16.9 Fl Oz, 40 Ct

Member's Mark
60 Fair

Analysis updated September 2026 · How Scout scores

$29.90 · 16.9 fl oz · pack of 45 · $0.04 / fluid ounce
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At a glance

Beneficial ingredients 0
Harmful ingredients 0
Owned by Walmart
Category Bottled Water
Summary

This purified water product is derived from municipal sources, which typically involves more processing compared to natural spring or aquifer water. The addition of minerals like calcium chloride and sodium bicarbonate is intended to enhance taste and electrolyte balance, but the source quality and processing level result in a lower score. The packaging does not indicate any significant safety concerns, but the lack of transparency regarding PFAS testing and potential microplastic presence could be improved.

Key ingredients 3

Purified water
Neutral

Purified water is the primary component of this product, providing hydration without additional nutrients or contaminants. The purification process typically involves filtration and distillation to remove impurities, ensuring a clean and safe product. Compared to natural spring water, it lacks minerals but offers consistent quality and safety.

See more about Purified water →
Calcium chloride
Neutral

Standard formulation ingredient — neither beneficial nor harmful at typical use.

Risks

Excessive consumption may lead to hypercalcemia, but this is unlikely at the levels present in bottled water.

Benefits

Provides calcium, which is essential for maintaining strong bones and teeth.

See more about Calcium chloride →
Sodium bicarbonate
Neutral

Sodium bicarbonate is used to adjust the pH of the water, ensuring it is not too acidic or alkaline. It is a safe and common additive in food and beverages, contributing to a balanced taste profile. While it does not provide significant nutritional benefits, it helps maintain the water's stability and palatability.

Benefits

Helps maintain a balanced pH level, contributing to the water's taste and stability.

See more about Sodium bicarbonate →

Processing

Group 1 · Minimally processed

Unprocessed or Minimally Processed Foods

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Amazon pricing & content

Amazon price as of . Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED “AS IS” AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

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