These dual 2-way test kits are easy to use for chlorine treated pools or spas. Fast and accurate chlorine and pH water balance test results in seconds.

Basic 2-Way Water Test Kit

Price: $8.29

Basic 2-Way Pool Water Testing Kit

Basic two way test kit for chlorine pool or spa water testing. Two vial test block, color coded with OTO (chlorine) and Phenol Red (pH) test reagents, with case and instructions. Test reagents should be replaced with new ones each year for continued accurate test results.