Spray inks are water soluable and I find when I don't seal them with something the inks rub off on my hands while drawing - they also are a bit too vibrant for a background with marker so I like to knock them back a bit with a glaze of acrylic paint.
You can try any kind of paper - these papers I am using in this book are everything from copy paper to wallpaper samples to handmade papers to textbook pages etc. I find that a page prepared with Gesso is NOT a good foundation for the inks - they tend to slide right off and we are looking for saturation with the inks.
This is my Big Bertha journal which I am using pretty exclusively at this point for mandalas.
Using the spray inks - spray through a stencil of your choice - once your spraying is complete - press a spare book page into the leftover ink on top of the stencil and you have a page all ready to collage or use some other way - and you haven't wasted the ink ;)
Here is the left side of the spread completed - and I am not thrilled with how it turned out - I had 3 drops of white and I find it covered too much of the colour so I wiped off a drop of the white I had laid out on the right side.
And the completed page which I will let dry - or speed up with my craft heat gun - and then spray with a varnish - matte finish. The self leveling gel is sticky and tacky even when dry - the pages tend to stick together pulling off when the page is opened - the spray varnish leaves it with a smooth matte finish that is wonderful and not sticky. I've worked over the varnish with paint, marker, gel transfers etc with good success.
I ended up making several pages to blot up the excess ink and now have a nice little stash for collaging or cutting up into shapes to use in my art journaling.
You now have a colourful page to decorate as you wish - I've used this technique with 300lb Arches cold pressed watercolour paper and collage - it worked wonderfully!
I hope you enjoyed this tutorial and have fun putting your own spin on it :)