Emulsion side _in_ and use the wing things. You certainly can use a presoak with Xtol; if you keep it short, like a minute or less, it won't cause any significant development changes.(posted 8324 days ago)I gather you're rinsing the negs _after_ Photo-Flo? If so, stop doing that; you're undoing what you're using Photo-Flo for. Mix the Photo-Flo in distilled water, soak the sheets in it like you're doing, then fish each one out, fling off the droplets and hang it to dry. Do _not_ squeegee or otherwise touch it.