Spray and allow gel to sit for 5-20 minutes

feed 1/2 gallon for each 25 horsepower of boiler capacity once per week

Bathroom surfaces

It is non-corrosive to concrete

Beverage Residues

Safety First ARP-424 Aircraft Cleaner & Degreaser Selective Spray and allow gel toUSDA Authorized Safety First ARP 424 is a highly concentrated industrial liquid degreaser specifically formulated for heavy duty cleaning of airplanes and airplane parts. It features a non flammable and non toxic formula that contains no butyl or petroleum solvents, so it's great at cleaning everything from turbines to landing gears. Plus, it's safe for rubber seals, valves and O rings and meets ARP 1755A regulations. Features & Benefits: Non