[JavaBrewer]

511 impregnator/sealer

https://www.amazon.com/Miracle-Sealants-511GAL4-Impregnator-Penetrating/dp/B00IPO6GEM?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&smid=ATVPDKIKX0DER&th=1

That said you will have to buff it off tile by tile before moving on. It will last a very long time.