About Get ready to unlock a world of discovery with the Silver Thiosulfate (STS) Spray Research Kit—your gateway to groundbreaking research and plant development! The Silver Thiosulfate (STS) Spray Research Kit is designed for plant enthusiasts, small-scale farmers, and researchers focusing on a wide range of crops, including fruits like tomatoes, cucumbers, and peppers, vegetables … Continue reading Silver Thiosulfate (STS) Spray Research Kit.