SKU: 8450
$5.99
Replace your tester drops once a season with Swimline Hydrotools Replacement OTO and Phenol Red Water Test Drops! This Kit has refills for the OTO and Phenol Red which tests for Chlorine and Ph.
Pack includes:
- 1/2 oz. Phenol Red Drops
- 1/2 oz. OTO Drops
In stock