Pennonia Viharfelhö (Storm Cloud) is a medium storm grey with low shading. It dries in 90 seconds in a medium nib on Rhodia and has a wet flow. Pennonia is a Hungarian company. Pennonia Viharfelhő came to be by the huge thunderstorms of Máté's childhood. He remembers being in his grandma’s house looking in awe out the window at the grey storm clouds, wanting to get a glimpse of lightning, waiting for huge thunder strikes that would shake the old windows and wondering whether ball lighting is a thing or not. So that’s why this ink got the name of Storm Cloud. This ink is water-resistant after drying. About Pennonia Inks: All Pennonia inks are created by hand using high quality ingredients, precise measurements and a pinch of passion for writing and inks in order to bring you, vivid, beautiful colors to write with. They are designed to work flawlessly with your favorite writing instruments, offering a smooth, pleasant writing experience. Pennonia inks can also be customized with different color shimmer powders based on your preference. Each bottle is hand labelled using Clairefontaine Clairmail 60 g/m2 white paper and the bottles themselves are pharmaceutical grade amber glass bottles to protect the inks from UV light.The wide mouth of the bottle (4 cm) is excellent for filling any kind of fountain pens and reduces the changes of accidentally tipping them over when filling. All inks carefully packed into, simple yet beautiful boxes to keep them safe during transport right until they reach your shelves. Brand Pennonia Ink Name Viharfelhö (Storm Cloud) Country of Origin Hungary Color Grey Dry Time 90 seconds in a Pilot VP medium nib on Rhodia Flow Wet Shading Low Sheen No Shimmer No Limited Edition No Water Resistance Medium Iron Gall No