Model 8450 Replacement OTO Chlorine Test and Phenol Red Solutions in 1/2 Ounce Bottle

Swimline swimming pool water test kit refills for Hydrotools Model 8410 and 8420 test kits with OTO and Phenol Red solutions in 1/2 ounce bottles

The Model 8450 Replacement Test Kit Solutions in 1/2 Ounce Bottles Features Include

• One (1) each 1/2 ounce bottle of Phenol Red pH level test solution
• One (1) each 1/2 ounce bottle of OTO Chlorine/Bromide level test solution
• Replacement solutions for Model 8410 and 8420 Hydrotools Test Kits