Royal Gold Mendo Mix 1.5 cu ftIn their laboratory and in performance tests, Royal Gold states the Mendo Mix out preformed all its competitors, for transition, growth and quality of fruit. Fortified with the highest quality ingredients, the formula is based on years of standard Humboldt soil building techniques. Established plants that have been root bound in a smaller containers transplant the best. Fresh rooted cuttings often have problems adjusting to the extreme nutrient charge.