What fertilizer is better to choose for orchid care

The fertilizers that are best to choose for growing orchids are:

① Long-acting slow-release granular fertilizer.

a. The American-made "Magic Fertilizer" can automatically control the supply of nutrients. It begins releasing nutrients 8 hours after contacting the soil, stops releasing when the soil nutrients are saturated, and releases again when needed, continuing in this way, with a fertilizer effect lasting up to 2 years. Dosage: 5 grams each time for a small pot, 8 grams each time for a medium pot, and 15 grams each time for a large pot.

b. The American-made "Scotts", a slow-release granular fertilizer with a fertilizer effect of one year, used in the same way as "Magic Fertilizer".

② Biological bacterial fertilizer. The Sichuan-made "Lan Jun Wang" contains complete nutrients, orchid bacteria, and natural endogenous hormones, and has the effects of rooting, sprout promotion, and strengthening growth. Spray and water with a 500-fold solution each time.

③ Fast-acting foliar fertilizer. The British-made "Promoting Root Growth" and "Jia Lan Bao" can promote rooting, strengthen stems, promote sprouts, and increase leaves. They also have a good effect of inhibiting viruses. The application method is to use a 3000-fold solution of Promoting Root Growth mixed with a 1000-fold solution of Jia Lan Bao.