If you are unable to find your mix in the Tref Go series of mixes, not to worry, Tref also offers the Tref Smart program, specially designed for those who need more than Tref Go.

First we look into the possibility if fine tuning one of our proven Tref Go mixes will give the results you are looking for, if not, we will make a special Tref Smart mix adapted to your unique conditions resulting in your personal mix adapted to your specifications and needs.

Tref Go and Tref Smart, our way of making sure you always will profit from our expertise in grower mixes.