im sure some people will find this useful
" Being able to measure the correct amount of Ariel for each washing load is important in order to achieve the best results.
There are two dosing devices to choose from dependent on whether you use Powder or Liquid.
You can order a dosing device here and they are absolutely free."
The link given is incorrect and only leads to the picture - try this one insteadhttp://www.easyanswer.net/ariel/uk/dosingdevices2/