Humboldt nutrients is a company of fertilizers for cannabis of the highest quality. Their professionalism and concern has led them to worldwide recognition for being a company 100% involved in the constant development of products for horticulture. Humboldt nutrients is a good choice for organic or hydroponic growers. Products such as Master A+B, Deuce Deuce, Ginormous, Pro Zyme or Roots leave no doubt as to their effectiveness, besides being a good option for commercial growers due to their high concentration. Organic growers will appreciate the experience of their Natural Grow or Natural Bloom as well as their Flavour Ful, Honey ES or Hum-Bolt based on humic acids.