Viagrow VPTK4 Complete Testing & Adjusting, pH Control, Crystal Kit, Clear

Price: $17.99
(as of Jan 31, 2024 05:43:19 UTC – Details)

The complete pH testing & adjusting kit comes with a pH Test Kit & Crystal pH up & pH down. Drops are reliable & simple to use to give an accurate pH reading of your fertilizer solution or reservoir. Fill the test tube about halfway with the solution you are testing, then add a few drops of the pH Test indicator & observe the resulting color. Red (acidic) indicates that the pH is too low, Blue (alkaline) indicates that the pH is too high, A yellow to a yellow-green indicates an ideal pH. Add the adjusting crystals as needed to lower or raise pH.
Comes with a pH Test Kit, crystal pH up, and crystal pH down
Ph testing drops are reliable and simple to use
Add the adjusting crystals as needed to lower or raise pH
No assembly required
Food Grade quality and safe for all food crops