This T-shirt bleaching tutorial is the best.
Firecracker Tie Dye Patriotic T-shirt
How to make a Bright Crisp Tie Dyes that Last
Fabric Bleach Art.
crafty heart T
watered down acrylic in spray bottles
Ombre Dip Dye T-shirt DIY easy! Except with pink dye!
DIY splash dye instead of tie dye!