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A wealthy friend of mine spent a fortune on a large fairly porous limestone floor in kitchen , hall and utility. I have treated it twice now with Lithofin products ..the first time using their Stain stop with multiseal on top then a few years later another coat of multiseal.
These products are expensive and the Stainstop in particular is stated to stop all stains
penetrating stone floors and to make maintenance a simple process.
Basically my friend dropped some fried chicken or bacon ( I forget ) near his Aga . He attempted to clean it up without success and since then has had no success despite scrubbing with various products etc .
I contacted the UK distributor of Lithofin products and sent him the photo shown below .
He dodged all questions about the product not doing what it says on the tin and simply suggested buying another expensive product to deep clean the floor then to redo the whole process as he claimed it was probably due to high foot traffic wearing the product away.
The friend of mine is single ..spends little time there and is often the only person in the house ...it looks like a show house inside and certainly has no "high foot traffic" so that theory was nonsense.
The distributors now refuse to answer any further of my emails ...seems I've been blacklisted as I criticised their products.
I was wondering if there were any specialists on here or any suggestions of how I can remove this stain ...It bothers him ( obsessive perhaps) and I've promised I'll get rid of it one way or another but apart from removing the slab I'm not sure what to do . The stain just doesn't seem to want to come out .
Can the STW hive mind solve this one ?
Piccy below and thanks in advance
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I managed to empty all the lubricant oil out of our Karcher jet washer's motor on a white stone patio, just poured a load of citrus chain degreaser on it and it came up completely spotless - which was far better than I was expecting......
Screwfix no-nonsence degreaser, although the spot may cleaner than the rest once finished.
Dilute hydrochloric acid...
I doubt the degreaser would work as it's presumably sunk into the stone . He used a special cleaner but it had no affect . Hydrochloric acid ? unsure whether you're joking !Really need some way to draw the stain out.
I doubt the degreaser would work as it’s presumably sunk into the stone .
If liquid can get into the stone, it can also get out, the degreaser / solvent will make it easier to wash the grease out.
If anyone is interested I eventually used acetone and/or MEK solvents, scrubbed the spots with a toothbrush and heated the area to dry . It has improved the staining by 70% and was the only thing that had any success after trying all sorts of cleaners and specialist products to little avail.
The smell of bacon filled the air when applying the heat on some areas so I discovered one of the culprits although other spots smelt of little and some were more resistant to eradication so probably a different meat.The owner was very pleased as he'd been quoted 2K to remove the stains and reseal . My price £100!
A good link if you fancy looking into it more.
https://www.buildingconservation.com/articles/masonry-cleaning-safety/masonry-cleaning-safety.html
Built hamber surfex hd. Quality degreaser. Start off with a high dilution and keep increasing the concentration until it works?
Sodium percarbonnate solution. 5-10% should work. I think it's mostly found in the oxi clean stain remover products.
If it's multiple stains from multiple drops near the cooker and you want to make the existing marks 100% invisible and to prevent reoccurrence, might I suggest some form of mat?