INKBIRD IBS-P01R 2nd Generation Wireless Floating Pool Thermometer Easy to Read for Hot Tub, Compatible with Gateway IBS-M1 and IBS-M2

INKBIRD IBS-P01R 2nd Generation Wireless Floating Pool Thermometer Easy to Read for Hot Tub, Compatible with Gateway IBS-M1 and IBS-M2

EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine

[Large Floating Pool Thermometer] eLander Pro Water Thermometers, for Outdoor & Indoor Swimming Pools, Spas, Hot Tubs, Fish Ponds