For white magic especially, you may want to choose an altar made of wood to be more in tune with nature. [2] X Research source You may even choose to use a particular type of wood associated with particular types of spells. [3] X Research source
For white magic, you may choose to place your altar in a spot with a lot of natural light. You could also put it in a symbolically positive spot associated with creation, such as in your kitchen.
Earth to the North: Represented by a pentacle, stones, salt, food, and/or plants. A yellow or green candle is placed on the periphery. Fire to the South: Represented by oil, ritual knives, and/or a candle snuffer. Place a red candle at the periphery. Air to the East: Represented by incense, feathers, a bell, and/or your wand. Place a yellow or blue candle at the periphery. Water to the West: Represented by a bowl of water, seashells, a chalice or glass of wine, and/or a cauldron. A blue or green candle is placed at the periphery. [4] X Research source
Many believe that a major aspect of white magic is that it cannot subvert the will of another person. When following this tenet, you should not, for example, cast a love spell on a particular person to force him or her to love you. Instead, a white magic love spell would involve attracting an unknown person, possibly with certain desired qualities, to either you or the person who asked you to perform the spell. [5] X Research source
Continuing with the example of a white magic love spell, place representations of the qualities you want in a lover. If you want someone passionate, add pepper or a dash of spice. Intelligence may be represented by a statue of an owl. A jar of saffron could be for a suitor who is happy or stable. [7] X Research source
For white magic, do not perform any actions that are either violent or symbolize violence. Similarly, do not speak negatively or use hateful words.