Food grade lye on counter tops

Question

Long ago, I bought some food grade lye to make pretzels. Then I became afraid to use it cause I didn't think about the potential damage it could cause to my sink and some baking materials. Specifically, baking sheets and my kitchen counter top.
This answer solved the problem with my baking sheet and stainless sink but my biggest fear still remains with spilling lye on my quartz counter top, fake wood cabinets or ceramic tile flooring.
Does anyone know if I need to worry?

Vickel · Answer

lye is corrosive, so depending of the concentration of your food grade lye it may react with the materials you mentioned. the longer it stays on the surface the more likely you could get a stain.
Most problematic would be the fake wood (depending of the make of its surface/surface sealing), while quartz stone and specially ceramic tiles due to its glassed surface are resistant.
I/we (my household) even use lye to clean those surfaces, so you shouldn't worry as long as you don't leave a substantial amount of lye in one spot for a long time.

Food grade lye on counter tops

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