NEW STAIN LESS Concentrated Epson Pretreatment fluid. Mix pretreat 1:1 with distilled water. You can apply pretreat fluid by roller, sprayer, or pretreat machine. Epson pretreat fluid in conjunction with Epson Ultra Chrome ink will yield the best printing clarity and washability. Epson Pre-treatment. This discounted Epson Pretreat is available only from Melco!