For Plump and Juicy Tomatoes Tomato-tone is a premium plant food formulated specifically for growing plump and juicy tomatoes. Tomato-tone's organic composition feeds your plants naturally and will not force rapid growth at the expense of blooms and tomato yield. Tomato-tone's all natural formula contains Bio-tone®, our proprietary blend of beneficial microbes. Bio-tone biologically enhances our natural plant food to ensure superior plant growth. All natural plant food fortified with Bio-tone® microbes •Specially formulated to produce consistently plump, juicy tomatoes. •Proven to promote healthy plant growth. •Contains 8% calcium to help prevent blossom end rot. •Enhanced with Bio-tone for stronger roots and larger plants. •Slow release, continuous feeding won’t burn or leach away.