Swimline Hydrotools Replacement OTO and Phenol Red Water Test Drops

SKU: 8450

$4.99

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

Brands: Swimline

In stock