Here's a good article that has helped me a lot with starch.
http://www.marcusbrothers.com/featur...ssman_solomon/
I make my own starch and have used this formula. Cooking the starch will
avoid all those flakes. I use a dry iron. If the starched fabric is too damp,
I let it air dry or if I'm in a hurry I use a square of muslin over the fabric.
Keeps my iron clean.
http://www.quiltingboard.com/main-f1...h-t158141.html
Is your ironing board flat? If you are using a regular ironing board that's probably
why you have a curve. I have a big board that I've covered with batting and duck cloth and put over my ironing board. Everything stays flat.
I also leave my starched fabric overnight in the fridge. It helps distribute
the starch evenly. Hope this helps.