HI, I read somewhere to use only clear glass but then I read that it is okay to use colored glass to imprint water, could you please clarify if that is correct? (I use blue glass water bottles) Thank you!
你好,我在某處讀到只使用透明玻璃,但後來我讀到可以使用有色玻璃來壓印水,你能澄清一下這是否正確嗎? (我用藍色玻璃水瓶)謝謝!