5 in 1 Test Strips will allow you to easily track critical water quality parameters with one test. - 50 Strips
- pH
- Total Hardness
- Total Alkalinity
- Nitrate
- Nitrite
Test Procedure:
- Dip one test strip into water for 2 seconds without motion.
- Remove the strip and shake once, briskly, to remove excess water. Wait 25 seconds.
- Match pH, Total Alkalinity, & Total Hardness (in this order). Match Nitrite & Nitrate colors at 1 minute.