Opening the light is chanting. It is the real opening of the light to invite the Buddha and Dharma body into this image and get the support of all beings. Otherwise it's all empty shells. Except for the Buddha, all other objects are blessings, not opening the light.
Burning incense generally looks at the incense spectrum, not at the other 24 kinds. 48 kinds and 72 kinds were written by later generations. Generally, three pillars are one pillar, and three pillars can be used as a base. Six or nine pillars are two pillars! Three pillars! more
You can use it without opening bottled water. You can change it every six months. Black tea and green tea will do! ! Only in this way can pure deities and buddhas benefit! ! Just like fruit doesn't need peeling! ! Watermelons and oranges are all like this, and they can also be used! ! Generally, fruits are ok, but pears are not.
Incense ash can't be thrown casually! To break the money! Keep a big container. If it is too much, you can find a clean and hidden place to bury it. Say something to the Buddha first, then recite the Buddha's name or Guanyin mantra, and bury incense ashes at the same time.