5% Hydrochloric Acid

**NOTE: May harm painted or waxed surfaces

They are bleach-free

Fragrance-free

Silt & Sand Flush (Storm Drain Build-up Dispersant) Non-selective 5% Hydrochloric AcidSilt & Sand Flush is designed to break up and disperse all types of organic and inorganic deposits. It separates mud, dirt, silt and sand from storm and sanitary sewers to keep piping, wells and basins free flowing and clear of deposits. A highly charged polymer dispersant. For Use In: Storm drains Wells Sewer drains Basins Directions: Use 1 2 to 1 gallon per 1000 gallons of flushing water. Product Label SDS Technical Data Sheet Part# 380SIL