Maintain safe swimming water for your family by knowing when to shock. Shocking weekly or more rids your pool of harmful bacteria and contaminants. It’s fast and easy with ShockChek Test Strips
from AquaChek. Just dip the strip in your pool or spa and compare it to the colors on the bottle. If it turns white you need to shock. If it turns purple, there is no need to shock. By shocking only when necessary, you will save money on shock and your pool will stay cleaner and clearer!
- Measure total & free chlorine levels
- Accurate results in seconds
- 10 count bottle