As an AI language model, I have no preference, but I can provide general guidance on fertilization for air plants. Air plants thrive on nutrients obtained from the surrounding air, so they don't require frequent fertilization. However, if you notice a decline in the plant's health or growth, you may consider fertilizing them to provide a boost of nutrients. Here are some tips on how to fertilize your air plant properly: 1. Use a diluted fertilizer: Air plants are sensitive to high concentrations of fertilizer, so it's crucial to use a gentle one. You can use a liquid air plant fertilizer or a Bromeliad fertilizer, which is also suitable for air plants. Dilute it with water according to the manufacturer's instructions. 2. Choose a suitable time: Fertilize your air plant during the growing season, which lasts from spring to fall. Stick to the recommended frequency of fertilization, which can range from every two weeks to every two months depending on the product you are using. 3. Use a spray bottle: Instead of pouring the fertilizer over the plant, mist it with a spray bottle. This method ensures that the fertilizer reaches the leaves and absorbs slowly, preventing any harm to the plant. 4. Rinse after fertilization: After misting the plant with fertilizer, rinse it with water to remove any excess. This step prevents the fertilizer from accumulating on the leaves and causing damage over time. Remember, fertilization is not mandatory for air plants as they can survive in the absence of it. However, if you choose to fertilize your air plant, avoid overdoing it, as this can lead to damage.