Nah, that isn't it. I've left FB paper in standing water for multiple days, summarily washed them afterward, dried, and pressed them without issues.
Originally Posted by sepiareverb
Have you checked the pressure settings on your press? Remember that the lever arm should be 45 degrees with the press loaded with mat board and cold.
Stop worrying about grain, resolution, sharpness, and everything else that doesn't have a damn thing to do with substance.