ITEM NAME:3 in1 50 strip swimming pool spa water chlorine ph test strips alkaline testinlj Features Name: 3-in-1 Test Paper Detectable PH range: 6.8~8.4. Residual chlorine range: 0~10. Total hardness range: 0-240. High precision and easy operation Easy to carry Water testing for swimming pools or spa pools Can test effective chlorine, pH, total hardness..TEST FOR FREE CHLORINE, PH AND TOTAL ALKALINITY: Don’t wait until your eyes burn and your swimsuit bleaches white to test your pool – just dip a test strip! TEST OBJECT: free chlorine, pH, alkalinity.
