Tank Rescue is concentrated, biodegradable, non-acidic, neutral pH (pH 6.1-7.0) rust remover formula which effectively removes rust from petrol tank without damaging the painted surface. Tank rescue is water base formula developed with latest selective chelating and advance surfactant formula which removes deepest rust within short period of time. Tank rescue only attack on rust and the base metal is unaffected by the tank rescue. Tank rescue is highly concentrated formula. Dilutes 1 litre tank rescue to 10-14 litre of water to make tank rust remover solution. 1000 ml tank rescue enough for tank capacity upto 15 litre). Tank Rescue removes 100 % surface rust without etching base metal or damaging O-rings or gaskets when diluting with appropriate water with given period of time. Most of the available process are lengthy, require specially chemicals and machines which is not environment friendly and require special training and tools to remove the rust from tank surface and all this process are not so effective and damaging the base metal by eating up the surface and reduce the wall thickness of the tank which affect the tank life. Tank Rescue contains no solvents, bases, acidic substance which harmful for metal object and generates corrosion on metal surface. Tank Rescue is non corrosive, neutral pH and nontoxic formula which increase the life of the tank without etching the base metal.