My grow medium is going to be coco ,sphag , perlight worm castings dry veg nutes mixed in use part A Part B then water when needed useing the correct ph tests for water and grow medium , be using a t5 grow light for seedlings then step it up MH 400watt etc just trying to get the medium ratio correct be for mixing it and start the grow , coloradohighgrower has some interesting information I like trying to learn of a step to step grow when I start I'll be posting it up on here as the step go on all are welcome to have a say I'll be starting this grow in two to three weeks going shopping for some grow medium to start