BAC - ROOT STIMULATOR 300MLRoot Stimulator It stimulates the growth of beneficial organisms in the growing medium which results in a positive effect on the roots of the plant. RootStimulator guarantees better protection of the rooting system against all types of substrate diseases. This product also has a drip cleaning effect and lowers the pH value of the growing medium. Keep in a cool place and be very careful never to use chemical enzymes when using these organic products!