Some say every week some say every two weeks, we are starting ours tonight when I have another pair of hands.

How old are the puppies, and what are you worming them with?

Drontal puppy, they are 22 days old today :)

The datasheet for Drontal puppy suspension says "where epidemiologically appropriate, it is recommended that treatment should be started at 2 weeks of age and should be performed repeatedly at suitable intervals (for example every two weeks) until weaning. "

Each product has a different protocol, so advice as to when and how often should be given with care.

You need to follow the instructions on the product that you are using as they are all different.

We use Drontal, every 2 weeks from 2 weeks of age.

so from tonight then every two weeks till they go :)