Water Storage Treatment 2 oz Glass Bottles 60 gallons Purification vs London Chimney Water Bottle: which is safer?
S'well London Chimney Water Bottle is our pick: better on PFAS and on the overall hazard picture.
Aquamira
Water Storage Treatment 2 oz Glass Bottles 60 gallons Purification
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleChemical overdose or misuse
ReportedDegradation and loss of efficacy over time
PossibleGlass bottle breakage and spillage
Our pick
S'well
London Chimney Water Bottle
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleLid gasket and seal degradation
PossibleBacterial or mold growth in narrow openings
PossiblePlastic components in lid (potential BPA/phthalates)
Where these two actually differ
- We flag Chemical overdose or misuse, Degradation and loss of efficacy over time, Glass bottle breakage and spillage and Chlorine residue and taste/odor on the Aquamira and not on the S'well.
- We flag Lid gasket and seal degradation, Bacterial or mold growth in narrow openings and Plastic components in lid (potential BPA/phthalates) on the S'well and not on the Aquamira.
- The Aquamira is glass bottles, sodium dichloroisocyanurate treatment chemical where the S'well is Double-wall stainless steel (18/8), which is most of the difference in these two grades.
- These two are level, close enough that price and fit should decide it rather than our grade.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More water filters: see the full ranking