>>>" Has anyone come across this before and got a solution?"<<<

Yes. Have you tried polishing with a "glass cooktop cream" like Ceramabryte or Weiman's? (There are other brands; those are just the brands carried in my town's markets and hardware stores.) Those creams have worked in most cases for most of us. Still, there have been numbers of long running threads here on this subject and a few posters have reported alternate suggestions such as Magic Erasers. MIght be worth your searching for the threads if the creams don't work.

Silvery marks ... from the base of a pan" raises the question of what pan that might be. Was it, maybe, a sheet pan or uncoated aluminum roasting pan that was, maybe, taken out of the oven and parked on the hob? Those can leave marks on any ceramic-top, whether induction or radiant. The creams usually (but not always) take care of that.

Also, one other thought. When you said "hob," I was wondering if you might be talking about a single-burner portable induction cooktop (PIC) rather than a range or built-in cooktop?

No but will see if i can find one of those. Thank you! Do you think that will help when it doesn't really seem to be a surface stain? Have you had the same issue?

use the cream off some sort and it will disappear. You may have to use a nylon scrubber gently. You can also use a single edge razor blade at an angle to help that as well

Thank you very much

>>>" Have you had the same issue? "<<<

Yes and I'll second what delray said about scrubbers if polishing alone doesn't work.

Update to this: i tried a non abrasive cream which unfortunately appears to actually be slightly abrasive after all. Totally my fault so skipping that issue, i now seem to have got rid of the silvery marks but given myself the even bigger problem of a total covering of tiny superficial scratches which are only visible under direct light. I have ordered some metal polish which apparently may help to buff these out but all the videos i see about this are for big scratches with residue. These are actually tiny and can't even be felt to the touch, but under light they almost seem to glitter. I also don't understand how they seem to be on every inch of the surface when i only concentrated on the areas with marks, but maybe some got dragged around with the cloth when i wiped it down at the end. This is really just getting worse!

Under light

Unlit

Help! 😭

glass isn't like metal that you can polish, so I doubt that the metal polish will actually do anything. You should be careful when using anything that contains harsh chemicals or grit anyway.

the very tiny "scratches" will always be there. I have them too - probably everyone does if you look at it with a bright light at an angle.

once you have used the surface cream cleaner, you could windex it and then use a microfiber cloth to wipe it up.

In general try to limit pan movement when using the cooktop, so no rapid back and forth. Don't get salt crystals under the pans - that will scratch it

kevinande

thanks for the silicon tip. Definitely a good idea and I will invest in them. I have heard of people placing tissue paper on the induction hob before cooking. Helps reduce cleaning and any scratches.

Lillian

I used paper towels and newspaper when I first began using induction and for the most part those material work fine. Just be careful when boosting. I have had both of those materials smoke and begin scorching under boosted power levels. The mats work for everything even though the DW has managed put permanent burn marks on the silicon mats (activated the wrong hob and began cooking an empty pan). Luckily I keep some replacements on hand. She has gotten better over time lol.

I have just used one element on my AEG induction stove top first time with recommended cookwear and there is a ring ( rainbow colour ) type burnout mark .Any suggestions of what to

do to get rid of this

I just got an induction hob and have ordered the silicon mats but have been using paper under my cast iron pots in the meantime...it seems the centre one has got the same silvery burn marks (think DH may have put it on too hot)...what did you use to get rid of them exactly? Nervous about making it worse! It didn’t do it on the other rings that he was using...

there is cleaner for glass cooktops that will remove it. Don't use abrasive cleaners that contain grit. Use a nylon pad and wipe with microfiber

Thank you - just wanted to update to say I used Hob Brite (recommended for hobs including induction) with kitchen roll and it is as good as new!

I had the same problem. I tried to season a wok and thought I had ruined the induction cook top. It looked like silvery marks in the glass. I used cerapol ceramic glass and induction cook top cleaner. I couldn't believe it all came off. Also I use coles ultra multi purpose cleaner, its the best cleaner to get rid of the streaks.

Flash magic eraser...look no further. Saved my life with one wipe!

I have the same issue. It appears as discolored hot spots or darker grey spots that the grey glass cooktop. My induction stove is a GE CAFE. Both my extended warranry and GE do not want to cover this as they say its cosmetic however, its not because its happening from the underneath of the glass cooktop. Has anyone complained to GE? Could be a manufacturer defect for thermal stress heat causing burning hot spots.

The magic sponge eraser works a treat requiring very little effort/elbow grease.

May I know whether the silicon mat that is recommended the same as the those silicon mat used for baking ? If not any recommended suggestions?

They are essentially the same thing. You can go on Amazon and get a bunch of different shapes and sizes. Get a few extras.

Thank you so much for this feed. the suggestions are so helpful as i have noticed the ring mark this morning with the silvery brown, and exactly like what has been said, it looks as if it is in the glass. its our first induction hob and i thought it was ruined.

Short Story:

Bicarb, water and a little elbow grease.

Long story:

I was in a similar situation recently with my new Bosch serie 6 induction hob. My stove-top kettle boiled dry because the whistle wasn't properly seated to alert me while I was preoccupied with other work. The hob was left with a grey-silver metallic residue which was flat and would not come off with standard glass cleaners. This occurred a few weeks ago and did not impact function.

I had a stroke of inspiration yesterday, and dampened the surface with water and put straight bicarb soda on the mark. I worked the bicarb slurry around for around 30 secs - 1 minute and wiped off.

In my case it did the trick and the marks were removed with no scratching or permanent impact to the hob.

The magic eraser has just got rid of the marks on mine 😊

Thank you so much for this thread. Last night I thought I had ruined my 3 month old indiction hob. I had a pan on one of the rings and somehow turned it on full blast and didnt realise. These oily silvery marks really do look like theyre under the glass but a fee minutes scrubbing with a magic eraser and its coming off. ☺️

is there any chance majic eraser willi scratch the cooktop. I am afraid to try it

hi @HU-268017455, can you please tell which product did you use to get rid of these grey marks on your cooktop? I am facing the same issue with my KitchenAid induction cooktop, where I feel the grey marks are underneath the glass surface

Magic erasers! they come under different brands but normally white and just need wetting slightly. Keep scrubbing with it and they should disappear. They are totally smooth and non scratch

Magic erasers are not quite exactly non-scratch. They work by micro-abrasion and can scratch or mar surfaces.

How do magic erasers work?

They worked perfectly for my glass hob. absolutely no scratches what so ever. I have never seen magic erasers leave any scratches.

Thanks @Nadine and @dadoes.

@Nadine - The problem with these marks are they are not residue. They appear to be underneath the glass surface. Did you face the same issue, and the magic eraser solved it?

@Sukhman Waraich Yes! honestly i was so glad that i found this thread. I had let something boil too long & the same silvery marks occurred, they looked oily almost and i could have sworn they were under the glass. i spent about 5 minutes scrubbing with a magic eraser and wiping with a cloth and they disappeared. I wish id taken pictures to show you. if youre unsure about a magic eraser, try it on a window first to see that it really is non scratch.

@Nadine - thank you so much for your suggestion and the explanation, I'll surely try :)

I would try the cerama bryte first before the magic eraser. I have had odd marks on my induction after using high heat and the cerama bryte takes them right off. I would also try the magic eraser on a jar or an old glass (not a window) to test for scratches.

@Kim G - thanks for your response. I have already tried Cerama Bryte on my cooktop. While it works very well on the burnt residue on the cooktop, the grey marks are not erased by it.

Hope the Magic eraser helps but definitely try it on a glass surface you don’t care about first!

Magic eraser for the win!!!

I have same silvery marks that are clearly under the glass. I tried white vinegar but it didntdidn't come off but magic eraser works!

The shiny specks are most likely from the cloth used for drying the cooktop. If the cloth was a microfiber one and washed with other towels this will happen.

Just tried the magic eraser thing on what looked like a ruined induction hob from using a wok it had an oil slick silver mark the size of the wok base which looked really bad now gone with flash Magic eraser no scratches gone in less than a minute im so happy try it :)

Hi Guys, same issue here. What is the brand of the magic eraser?