The Maxsea All Purpose Plant Food is a fast-release powder fertilizer made with nitrogen ingredients. It is suitable for both indoor and outdoor use, with a longevity of up to 1 week. This 20lbs bucket of plant food is designed for all-purpose use and is ideal for the summer and fall seasons. Made in the United States, this mineral-based fertilizer is perfect for promoting healthy growth and vibrant blooms in your yard, garden, or indoor plants.