For growers using smaller-celled flats, this is the Fort Vee formula with added perlite and without crushed rock.
303 VCC, 20 qt. $16 / 60 qt. $39 / Sling $521 + shipping
VCC Slings are 2 cubic yards. Sling shipping is only available to addresses that can accommodate large delivery vehicles (53′ trailer trucks). Please contact firstname.lastname@example.org for inquiries about ordering slings.