Managing conductivity (EC) helps growers pinpoint fertilizer needs

The most complete pH calibration kit in one box

and home winemakers who demand professional-grade tools

Two-point manual calibration ensures precision for critical measurements in brewing

Properly maintaining your ORP probe will give you fast

Culligan WHR-140 Replacement Shower Filter Cartridge | 10,000-Gallon, 6-Month Life CF meter Managing conductivity (EC) helps growersCulligan WHR 140 Replacement Shower Filter Cartridge Upgrade your daily shower with the genuine Culligan WHR 140 replacement cartridge. Engineered to reduce chlorine, sulfur odor, rust, and scale, it delivers noticeably softer skin and healthier hair shower after shower. Key Benefits Reduces chlorine, sulfur odor, rust, and scale buildup IAPMO R&T Tested & Certified for performance and safety Long lasting: 10,000 gallon capacity or 6 month filter life