Selecting types of cookware.The following information will help you choose cookware which will give good performance on glass cooktops.Stainless Steel:recommendedAluminum:heavyweight recommendedGood conductivity. Aluminum residuessometimes appear as scratches on thecooktop, but can be removed if cleanedimmediately. Because of its low meltingpoint, lightweight aluminum should notbe used.Copper Bottom:recommendedCopper may leave residues which canappear as scratches. The residues can beremoved, as long as the cooktop iscleaned immediately. However, do not letthese pots boil dry. Overheated metal canbond to glass cooktops. An overheatedcopper bottom pot will leave a residuethat will permanently stain the cooktopif not removed immediately.Porcelain Enamel-Covered Cast Iron:recommendedAs long as the cookware is coveredcompletely with porcelain enamel, thiscookware is recommended. Caution isrecommended for cast iron cookwarethat is not completely covered withsmooth porcelain enamel, since it mayscratch the glass ceramic cooktop.Glass-Ceramic:usable, but not recommendedPoor performance. May scratch thesurface.Stoneware:usable, but not recommendedPoor performance. May scratch thesurface.Home Canning Tips:Be sure the canner is centered over thesurface unit.Make sure the canner is flat on thebottom.Use recipes and procedures fromreputable sources. These are availablefrom manufacturers such as Ball® andKerr®.To prevent burns from steam or heat,use caution when canning.Check pans for flat bottoms byusing a straight edge.Pans with rounded, curved, ridgedor warped bottoms are notrecommended.Use only flat-bottomed woks.Wok CookingWe recommend that you use only a flat-bottomedwok. They are available at your local retail store.Do not use round-bottom woks. Youcould be seriously burned if the woktipped over.8Consumer Support Troubleshooting Tips Care and Cleaning Operating Instructions Safety Instructions