When it comes to diet or healthy meal, many people focus on sugar but you have to watch out salt as well! It's said that high blood pressure is affected by overtaking salt.
There is salinometer shaped like a thermometer. The salinometer can measure the salinity by sticking into soup or anything you want. It is very popular for those who cares their health.
It is simple and easy to measure the salinity using a salinometer. Why don't we avoid overtaking salt and have a healthy diet?