To clean the cup, first judge how much wax remains. If it is more than 2cm, use a small spoon to dig out the wax and throw it away according to the above classification. Use hot water and detergent to emulsify the residual wax in the cup, and then wash it with hot water. Do not throw the wax block directly into the toilet or pool; Or use the method in the link to inject hot water to make the wax float and solidify. Finally, take it out when it cools down and discard it according to the above classification. Obviously, white candle jars is a good choice.
If there is a lot of wax left, you can prepare a pot of boiling water, put the candle cup into a basin, pour boiling water into the basin (not into the candle cup), the heat will make the candle melt slowly, then use a paper towel to absorb the melted wax, and throw the contaminated paper into dry garbage. Do not pour the melted wax into the pool toilet. If it is cold, the wax will solidify and block~