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