Yes I do and don’t cut your self off short. Making your own soil is very easy to do.
I thought the same thing at first, until I saw my results.
all you need is a few things to get started.
But first. The Seedling soil
MG potting soil only use te one that doesn’t feed for any months with a N P K OF 0.012 0.06 0.08 THESE ARE NOT THE NUMBERS BUT YOU GET THE PICTURE
2.) Worm casting lots of it seedling will love you for it. I use a lot
add more
Soil Recipe to be mixed with 1 to 1/1/2 cu ft of base soil
Pro Mix
Mushroom Compost and Black Cow Soil compost
.3125 lb or 5 oz Fishbone Meal 3-16-0
.3125 lb or 5 oz Steamed Bone Meal 2-14-0
.625 lb or 10 oz Bat Guano 0-7-0
.3125 lb or 5 oz Blood Meal 13-0-0
.3125 lb or 5 oz Feather Meal 12-0-0
.375 lb or 6 oz Colloidal Rock Phosphate 0-3-0
1 tbsp Potassium Sulfate 0-0-53
1 tbsp Souluble Kelp Powder 0-0-17
1 tbsp Mycorrhizal Fungi (300 spores per gram)
3/4 tsp Powdered Humic Acid (90 % pure)
1 1/2 tbsp Epsom Salt
1tbsp Sweet Lime (Dolomite)
1 tbsp Asomite (Trace Elements)
6.25 lbs Worm Castings
FOLLOW THIS LINK TO SEE THE PLANTS IN THE SOIL AND SCROLL DOWN NEAR THE BOTTOM