• Microplastics — EMSL Analytical (PDF) Independent microplastics analysis. No microplastics detected. PDF →
• BPA & BPS testing — SGS (PDF) Independent testing for BPA, BPS and bisphenols. Non-detect. PDF →
• PFAS — Watercare Laboratory Services (PDF) All 32 perfluorinated compounds tested. Non-detect. NZ water sampled September 2026. PDF →
• 100% bio-based carbon — Beta Analytic, ASTM D6866 (PDF) Third party verification that anew bottles are 100% bio-based carbon. September 2023. PDF →
• Carbon footprint summary (PDF) Summary of the independent lifecycle assessment. Carbon negative to produce. PDF →

Full detail on how the bottle is tested is on our independent testing page.