I recommend his girlfriend and I decided to try, was very pleased with the result. So far, though experimenting with the old spots, he brought all the stains on manzhateh and collar on the shirt of her husband, but that's inveterate stains unrecognized yellow left. We will continue to experiment :) But I soaked linen at a temperature of 60 degrees somewhere at 4:00, and then later washing. By the way, all the old spots with kitchen towel brought to 90%.