What happens if overdosing occurs?

These products are highly concentrated liquids; exceeding the recommended dosage is unnecessary. Here is general information about each product...

FTC Decarbonizer: No concerns with overdosing.
Flushing Oil Concentrate: No concerns with overdosing.
ULS Diesel Enhancer: If severe overdosing occurs, there is minimal risk of any engine fault. There is a slight possibility of a little white smoke from the exhaust until the ratio returns to the recommended dose. In extreme cases, refuel the tank more frequently to help return to the correct dosage recommended.
Cleanpower: No concerns with overdosing.
AW10 Antiwear: If extreme overdosing occurs, replace oil and add AW10 Antiwear to recommended levels.
Marine Diesel Stabilizer: There is very minimal risk of any engine fault, even if extreme overdosing occurs. A little white smoke may be evident from the exhaust until the ratio is returned to the recommended rate. In extreme cases, refuel the tank more frequently to help return to the correct dosage recommended.

Again, these products are highly concentrated liquids; exceeding the recommended treat rate is unnecessary.