Smoother paper for cyanotype?
I've been making cyanotypes (Formulary's "Traditional Cyanotype" kit) on the cheapest fiber-reinforced watercolor paper I could find in a suitable size for low waste -- my budget won't stand paying a couple dollars a sheet for the paper to support this very economical process. Overall I've been pleased (though I've noted that the latest prints, after 10 months away, have a problem with the pigment washing off during development, which I'm working on), but when making small prints (my current largest format is 9x12 cm), I find the details from the negatives are obscured by the rather large, aggressive cold press texture of the paper.
What I'd like is to find a non-alkaline, fiber reinforced watercolor paper with a smoother surface, perhaps along the lines of sketch paper or even laser printer stock, that's within my budget. Non-alkaline, because alkaline conditions cause permanent fading of cyanotype. Fiber reinforced so I won't wind up with a mass of wrinkles after developing and drying the print (even if I can sensitize it and keep it flat enough to go into the printing frame). And if I can't afford it, it's no good to me.
Any suggestions? Ideally, it should also be a brand that won't require purchase from a big-city art supply store, since I live in a community of about a quarter million people over a 35 mile area, and the nearest larger cities are an hour's drive (twelve dollars worth of gasoline, near enough, for the round trip -- very limited opportunities at this time).
Alternately, a method of drying cyanotypes made on non-reinforced papers would let me use the hot-pressed papers I've seen (which aren't reinforced, apparently intended to be mounted before painting, as we did when I was in high school), or even sketch papers and similar non-watercolor stocks...