Simply put: h2ook-small
...are the easiest, most accurate do-it-yourself water testing kits available.

  • Accurate, instant test results, measured to EPA Standards
  • Multiple tests included for most test conditions
  • Spanish instructions included
  • Illustrated instructions
  • Resealable shelf bag for easy storage
  • No mail-in tests: everything’s included
  • Meets EPA and LabTech® standards
  • Apply to any drinking water source, including wells and streams

How do I use it?

H2O OK includes a very simple set of instructions to ensure your water test is accurate. Simply:

  1. Open the bag
  2. Select the type of test you would like to use
  3. Dip the testing strip in the test tube of water from the source you would like to test
  4. Compare your results with the included chart to determine your water quality
  5. Follow our Resources section to decide what to do next

Full Instructions

Six Test Strip:
  • Total Hardness
  • Total Chlorine
  • Alkalinity
  • pH
  • Nitrite
  • Nitrate
Download PDF
Copper Download PDF
Hydrogen Sulfide Download PDF
Iron Bacteria Download PDF
Iron Download PDF
Lead / Pesticides Download PDF
Total Coliform Bacteria Download PDF
View or download all test instructions H20 OK
H20 OK Plus


H2O OK H2O OK Plus
A product of Labtech. Backed by over 80 years experience.