IQ-WB2 is a water soluble corrosion inhibitor used to prevent pipe walls, joints, pumps and collection stations form developing costly corrosion problems. It is highly reccomended to be used continuously.
IQ-WB3 is a chlorine dioxide fighting corrosion inhibitor. The ClO2 eats away at the media but it is is needed in the system to fight bacteria. However IQ-WB3, a special blend of organic compounds and water, is used instead of toxic chromates to control corrosion in this environment.