US Chemical MicroTech Laundry Detergent Destainer, 1.5 Gallon -- 2 per case.

INSTITUTIONAL STRENGTH, CHLORINE BASED DESTAINER FOR LAUNDry Storage USE LaunDry Storage Destainer is a concentrated sodium hypochlorite solution designed for automatic dispensing. Destainer will keep white fabrics free of stains and aid the overall cleaning program. It can also be used as a household bleach. Care should be taken to reduce the level used as the strength is over twice that of normal household bleaches.