Q1： Do I have to use one box at a time？
A：There are 6 bottles in a box, 5ml each. The number of liters corresponding to 5ml of fuel (gasoline or diesel) is 50 ~ 80 liters.
Q2： Can I only purchase one bottle？
Q3： Is it effective only using one bottle？
A：Of course it effective, but only limited effect.
Q4： The manual written use six times in a row. What does it mean?
A：As a result of our long-term testing in Europe, after using six times in a row, remove carbon deposits, clean injectors clogged, restore original power and performance, and reduce the carbon dioxide and other exhaust emissions by more than 20% on average.
Q5： Is XSNANO added before or after refueling？
A：Add to the fuel tank before refueling。
Q6： What is the effect of using this additive？
A：Remove carbon deposits in injectors, fuel system, and combustion chamber, and restore the power of the engine.
Q7： Is XSNANO helpful to fuel saving？
A：After long-term testing in Europe, fuel savings can reach 10%~28%.
Q8： Should I continue to use it after I have finish a box ?
A：Recommended to use continuous, as XSNANO can keep your car youth.
Q9： Is this FERRARI approved？
A：We are Global Strategic Partner of Ferrari.
Q10： What’s the different from other gasoline additive？
A：Most of the gasoline are octane additives. XSNANO is the first physical additive in the world. It removes carbon deposits and clean injector clogged with physical characteristics.
Q11： Will XSNANO cause any negative effect to my car if I increase the ratio of using？
A：No, increasing the ratio of XSNANO will not causing any damage to your vehicle or its parts.
Q12： Will it be better to add two or more bottles at a time?
A：The effect will be better, and your vehicle have the effective faster.
Q13： Will XSNANO reach into the fuel tank if added in small amounts?
A：Recommend adding it before refueling. It can be flushed into the fuel tank by adding fuel.
Q14： How often do I have to use？
A：Use XSNANO before each refueling.