Mystery Tap case file
Evidence & Claims Policy
Mystery Tap does not publish contaminant-reduction, NSF/ANSI, WQA, EPA, Made in USA, or lab-tested claims unless the exact product documentation has been verified.
Clear answers require careful claims.
View the clues
What mystery is your tap giving you?
Evidence & claims
No guessing. No fake claims. No random filters.
We separate symptoms from verified causes.
We label what requires water testing.
We do not publish contaminant-reduction claims without product documentation.
We help you avoid buying a system that does not match your water problem.
Evidence note:
Start With a Water Report
Designed to help reduce selected water issues when paired with compatible filters and proper installation. Water conditions vary. Testing is recommended before selecting a system. Certification status must be verified before publishing contaminant-reduction claims.