The quick and accurate way to test for pH, Nitrite, Nitrate, General Hardness and Carbonate Hardness. Desiccant-lined tube, with snap-tight cap, provides maximum moisture protection for accurate results.
- Highly precise color charts
- Dip directly into aquarium no separate vial needed
- Includes information on how to correct unsafe water conditions
- 4 strips
- For fresh and salt water