Z7 makes bad water great! Soil or hydro, bad water is the biggest problem facing growers today. Z7 eliminates root related problems fast! No more yellowing leaves, leaf curl, tip burn, slow growth, pH fluctuations, white mineral build up, brown slimy roots and slimy water tanks! Z7 is the great growth insurance policy that growers and store owners alike have asked for! Everyone can afford Z7. New natural technology gives explosive root growth and plant health for only 2.5 cents a gallon!