We do carry FastColor, which is a pretreatment for white and light colored garments, and that does increase the brightness and washability of the print. I do recommend it for these color shirts and it does do a very good job. Stone Hawk was asking if there was any post-treatment sprays for garments after you print them. To my knowledge there aren't any and if you pretreat, print, and heat press properly you do not need such a product.
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