*UPDATE*  It appears that the Ecover facebook page is getting slammed with lots of people trying to score this freebie.  You might have to keep refreshing your page  in order for the site/form to load.

(Facebook Freebie)

Score a FREE Ecover Automatic Dishwasher Tablets 2ct Sample Pack! You will  need to click on the “Free Samples” tab and “like” them in order to snag your free sample.