You can either put it in a empty glue bottle or an empty water bottle. Just remember to label it with a sharpie.
put it in the fridge and use it for your next layer. you can leave in the fridge for a very long time and nothing will happen. you could also recycle it.
Soap and water should do it.
There is a paper mache recipe that involves using flour and water instead of white glue. This can be very useful, as it is not quite as messy as glue.
you use paper and glue
It can take 2- 3 1/2. Depends on how much glue you put on the paper mache and if you used the right glue.
Paper Mache
Yes, white glue is part of the recipe for that.
all you need is flower and water to make paper mache
put the paper in the glue and sculpt
Papiere mache
Rip up paper into small pieces, soak in the water and stir it, then add the white glue.
The ones I have seen were made of strips of paper and glue. Paper mache.
Baking soda vinegar glue paper
this is commonly miscalled paper mache, its is a constructed material that consist of pieces of paper that is stuck together by wet paste eg. glue startch grease etc.