All-New 2023 Pool and Spa Test Strips 7 in 1 Quick SuperAccurate Swimming 150 Pool Test Kit - Hot Tub Test Strips & Pool Water Testing Strips for pH Chlorine Bromine Hardness Alkalinity Cyanuric Acid

All-New 2024 Pool and Spa Test Strips 7 in 1 Quick SuperAccurate Swimming 150 Pool Test Kit - Hot Tub Test Strips & Pool Water Testing Strips for pH Chlorine Bromine Hardness Alkalinity Cyanuric Acid

Clorox® Pool&Spa™ Swimming Pool Algaecide and Clarifier, Prevents and Treats Pool Algae, Clears Water, 128 Fl Oz (Pack of 1)

HTH 52036R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, (6 Pack)