Water dye will stay good for at least 5 days at room temperature,21 to 27 degrees celcius. It will stay good longer than 10 weeks if stored in a refigerator.
When mixed with soil they keep the moisture much longer and hence you don't need to water your plants that often. Crystals can be used for growing fruits and vegetables as well as they are completely safe. The pigmentation they contain is not ...
It is specially developed to all kind of bacteria in the absorbable flower dye solution. The Centimo post harvest works longer and better than any Chrysal/ floral-life product . So you can use it on every flowers as a post-harvest product.