Exclusive M–77® nutrition package from Scotts® makes Peters® the best you can buy.

M–77® is a proprietary system that delivers optimum micronutrient nutrition to crops raised in soilless growing media, especially in conditions where water quality is poor and soil pH is high. Only Scotts® provides this technologically advanced nutrition package in select Peters® water soluble fertilizers.


  • Provides essential micronutrients more effectively through ratios that match what plants need
  • Contains higher levels of B, Cu and Zn for better plant performance when fertilizer rates are low, water quality is poor and pH is high
  • Includes beneficial proprietary additives that enhance micronutrient availability and plant uptake
  • Optimizes plant growth by facilitating micronutrient uptake through a more favorable root zone
  • Maintains micronutrient availability over a wide soil pH range
  • Available in USA only