That is Coco Coir with about 5% Perlite. I am using Canna Coco A+B, Canazyme, Rhizotonic, PK 13/14 and boost. These little ladies will get 24 hours until they are ready to go to flower in about 4 weeks. Then they get 12/12 with 600w hps with a 400w mh per meter2. I currently have one 600w...