PSA: No judgement zone! And, I’m certainly not trying to call anyone out; but, y’all, let’s please be careful and get to KNOW the products that we consider using because some items, such as Mercury in liquid form (out of a SEALED container), is poisonous, even its vapors/fumes are poisonous‼️ 👀☠️☠️
Cinnabar is another option if you don’t want to use batteries or a candle
You can get mercury thermometers and light bulbs online from Walmart.