Bio Terra PLUS is specially designed and formulated for use with BIOCANNA'S BioVega and BioFlores or Canna's Terra Vega and Terra Flores nutrients. Change to Flores after the first signs of flowering appear and if using artificial light, after changing the day length. When used with these nutrients, experienced growers alike will achieve the optimum results possible. Bio Terra is composed of different high grades of peat, bark and coco coir