What is Discharge Screen Printing?

Arounna Khounnoraj on Instagram: "Surface design on fabric is my favourite and I like adding imagery on the cloth with painting and printing. The discharge method is another way you can do that. I had used bleach before on conventional dyed fabric but it’s not great if you want to do it a lot. This is a much greener method using citric acid from a lemon. I watered it down in warm water and added guar gum so that it didn’t bleed when using. This formula only works on naturally dyed fabric and I u