I am back with the instructions for this very easy but effective technique.
All you need for this technique is,
either watercolour paper or Shimmery White paper from Stampin' Up!,
A spray bottle containing water,
an Aquapainter and
an ink refil, preferably in a fairly dark colour. I have used Night of Navy.
Spray the paper with water from a spray bottle to dampen the paper.
Using the Aqua Painter, pick up a small amount of the Reiner off the plastic lid and apply generously to the paper.
Whilst the paper is still wet sprinkle the salt onto the paper. The amount of salt you use will determine how 'blotchy' your background is when it dries.
Allow to dry completely, use a heat gun to speed the process if necessary, but apply gently so as not the blow the salt off before it is dry.
Once dry, rub the salt off and your background is revealed.
I have used the same technique on the background of this card.