Refractometer

[@iFixJunk]

Oh, MAN, am I glad they chose this ROCKIN' tune for the background music!

[@cleytonsilva6879]

Thank you so much, that is really useful ! :)

[@jazzyg9722]

Brilliant video thanks

[@MetalTrabant]

Very useful and informative video, thanks! :)

[@andrewdsouza8723]

Does this refractometer measure adblue concentration and battery water concentration

[@alexgabriel1835]

Horrible Music not necessary! But info good!

[@waldir482]

Para que serve

[@waldir482]

Para que srtve