Tetra Test 6-in-1 Water Test Strips, 13 Count

Includes only 13 test strips.
For freshwater use only
Expiration Date: October 2027
Features:
● These are water quality test strips that allow you to quickly and easily check six water quality parameters simultaneously in one step.
● No special equipment or complicated procedures are required. Simply dip the test strip in water for 1 second for an easy check.
● We recommend checking once a week to maintain the optimal aquatic environment.

[Measurable Parameters]
● pH (pH: 6.4-8.4)
● Carbonate Hardness (KH: 0-20°dH)
● General Hardness (GH: <3°dH to >16°dH)
● Nitrite (NO2-: 0-10 mg/L)
● Nitrate (NO3-: 0-250 mg/L)
● Chlorine (Cl2: 0-3 mg/L)