Complete pool water test solution refill kit for Swimline Hydrotools Model 8440 Four in One test kit including solutions number 1 thru 5
- The #1 solution, Orthotolidine, a chlorine test solution in 1 ounce bottle
- The #2 solution, Phenol Red, a pH test solution in 1 ounce bottle
- The #3 solution Acid Demand & Alkalinity test solution in 1 ounce bottle
- The #4 solution Chlorine Neutralizer test solution in 1/2 ounce bottle
- The #5 solution Total Alkalinity test solution in 1.2 ounce bottle
- Replacement pool water test refills for Model 8440 Test Kit
- Hydrotools part# 8455