Thanks all for the info and opinions . Thanks for explaining why this is a bad idea for oil. Never thought of that while posting.
You can make one for nothing . Use an old ice cream tub lid , two sheets of kitchen paper towel fold over to the size of the lid and then soak that with water . Drain off all the water left in the lid and then cover with non stick baking paper . Press the baking paper down until it is damp and your ready to go . With this method you will need to dampen the kitchen paper towel every day but hey it's free .
chippy
Great info gonna give it a try
This is the same sort that is in the MM article .
I use this homemade version but with a small sandwich box with snap fast clips as well as a commercial one but never had cause to reset the towel , I keep mine in the fridge after each session
Nap
i use acrylic extender, just add a bit to your water, it then extends the working time of acrylics and allows you to blend the colours like oils
Jeff,
I use Winsor and Newton Blending medium which I add a tiny bit to my wet palette
Steve,
Wet wipes ...Mmmmmm no chance in my house reserved for make up removal and other female uses !
Happy painting
Nap