Kirkland Signature Purified Water Plastic Bottle
Costco Wholesale CorporationLab tested
Yes
Contaminants
2
Nutrients
0
Microplastics
Likely
Why this score
For every scoring factor, open the breakdown from the score above.
Total Trihalomethanes
9x
limit
Nitrate (as NO₃⁻)
0.1 mg/L
Municipal water supply or well
Advanced micron filtration, reverse osmosis, ozone sanitation
N/A
5.9
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