Taylor Drop Test Hardness Calcium/Total EDTA - K-1722 hide-price The Chemtrol PC7000 includes the

The Chemtrol PC7000 includes the new PPM sensor for true monitoring and control of Free Chlorine

which monitors tubing condition and activates an alarm relay when wear is detected

This No Lifeguard On Duty With Graphic Sign measures 18 x 24 inches

(1) Universal Vac Head Adapter

Taylor Drop Test Hardness Calcium/Total EDTA - K-1722 hide-price The Chemtrol PC7000 includes theThis is a Taylor Drop Test Hardness Calcium Total EDTA Titration Test Kit. The K 1722 Kit tests for hardness, calcium and total using the drop test system and EDTA titration method. The EDTA includes inhibitors to revent metal interference. Calcium hardness is a necessary component in pool water because it helps prevent leaching out of certain substances in pool equipment. It works in conjunction with alkalinity and pH. You would balance alkalinity,