Name: Daisy I Reno, Nv (Zone 6b) Not all who wander are lost
Your formula has 11.5 parts.
Sand doesn't aid drainage, in fact may impair drainage. Maybe perlite instead?
You won't know how welll it works until you try it.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost
President: Orchid Society of Northern Nevada
Daisyl - I forgot to mention equal parts blood sweat and tears as well.
WillC - Professional, first year running, previously nursery assistant. Loam is dug out on site and placed in small soil steriliser which heats soil to 86.6 degrees C. Mainly for outdoor plants, but we also do a small number of indoor plants.