When you buy any two Tinka products (excluding 4x 500ml Tinka Concentrate pack), the 3rd item will automatically be free.
The offer stacks.
You must add the 3rd (free) item to your cart.
For example:
Add 3 items to cart - 1 is free
Add 6 items - 2 are free
Add 9 items - 3 are free
No limits (excluding 4x 500ml Tinka Concentrate bundle)