Formulated specifically for growing plump and juicy tomatoes. Feeds plants naturally and will not force rapid growth at the expense of blooms and tomato yield. It is safe, long lasting, and will provide the nutrients necessary for vigorous and productive plants. 100% natural and organic approved plant foods. The Tone products are made for complex blends of the finest natural and organic ingredients. No sludges or fillers are ever used. They are enhanced with Bio-Tone beneficial microbes to help plants establish fast, develop deeper roots and have superior blooms. Consistency and quality are guaranteed. Long lasting results - won't burn or leach away.