here is my new mix that i use you dont nead to fert for 45 days
schultzs pro mix
perlite
dolimite lime
worm castings

i have no idea if this is a good mix but the guy said you dont need to fert for 45days i told him i am growing orchids inside

i used 5 gallon pots so you may have to do some math
3 galons pro mix
1 gallon worm castings
1 gallon perlite
2 ounces of crushed dolimite lime
my ph is at 6.5 steady right now thats good isnt it?
my one and only baby seems to love it:thumbsup:Hope this has been helpful with your orchid growing rofl:stoned: