well i spread everything as instructed, and hope it works, as i could not get a product from the normal store, thank you to be specialist in this field.
The parcel arrived fast and instructions were quite good although I still don't know how I should have opened the second container tht produces white stuff.
I paid for next day delivery, which failed to arrive. They reimburst the delivery payment.
On the order page I didn't find a way to use a standard delivery rather than next day. Which might have been...
