You can add it to the milk 100% no problem ! It can be a combination of both, add to milk and/or spray, the colour will be slightly red thanks to the B.linens.
Kosher
Usage Levels:
Minimum inoculation level is 1 dose for 1000 liters (264 Gal.) of milk
Directions for Use:
Inoculation into milk before renneting.
Composition:
Brevibacterium linens
Arthrobacter nicotianae
Debaryomyces hansenii
Geotrichum candidum
Properties:
PLA LYO 10 D is a blend for cheese with mixed surface flora made up of "more" bacteria (including B. linens) in high concentration coupled with an "activator mould" effective at the start of the maturation process.
Allergens: Milk (including lactose)
Price: $17.25