CircraneSolar Digital Pool Thermometer, IP7 Water Proof Design, 30s Temp Reading Cycle, Built-in Solar Rechargeable Battery with Ultra Long Battery Life, Blue

Circrane Solar Digital Pool & Spa Thermometer, Weather Resistant Floating Thermometer, IPX-8 Water Proof, 10s Measuring Cycle, Solar Powered with 270 Days Battery Life, Blue

EASYTEST 9-Way Pool Test Strips, 140 Strips for Hot tub and Spa, Accurate Testing pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, Cyanuric Acid, Salt and Copper

Floating Mini Spa Chemical Dispenser, Chlorine/Bromine Tablet Floater for 1 Inch Tablets, Idea for Spa, Hot Tub &,Fountain, Inflatable & Above-Ground Pools