How to use?
- Ensure the test tube is clean.
- Take a 5ml sample of water into the test tube.
- Add 5 drops of the pH reagent; replace the test tube cap and shake thoroughly.
- Compare the colour of your sample to the colour scale provided.
The new Broad Range pH Test is for testing water within the pH range of 6 – 9. This pH test now covers the pH range more likely observed in your pond and also offers improved precision with 0.5 unit determination.
5 in stock