In our quest for the perfect fertilizer, we recently tried the Ammonium Sulfate 21-0-0, and we were impressed by its performance. This product is designed not only to nourish our plants with essential nitrogen and sulfur but also to effectively lower the pH in alkaline soil-something we found invaluable for our acid-loving plants such as hydrangeas, azaleas, and blueberries. The 2 lb bag is convenient for our gardening needs, allowing us to treat multiple areas without overwhelming our garden space. We noticed a brightening of colors and a boost in growth just a few weeks after application. Plus, knowing it's made in the USA adds an extra layer of reassurance. For anyone tending to a garden filled with lush, vibrant plants, we believe this fertilizer can be an excellent addition to your gardening toolkit!