Chemical tests, researches, daily experiments take place in BASF labs. Due to scientific discoveries the numerous partners of BASF Company successfully improved their business. The new BASF annual calendar - it’s a daily experiment which reminds about importance of chemical innovations. 12 test-tubes of different colors are like 12 months of the year. They are filled with eco-aqua. Evaporating, the liquid level indicates the date of the month and day of the week.