Grotek Monster Grow Pro 18-36-1 (130g) Holland Greenhouse This clever contraption automatically dispenses

This clever contraption automatically dispenses the right quantity of Miracle-Gro® solution based on the amount of water you’re using

feather flour and natural potash

For containers

This balanced blend will provide your plants or lawn with all the nutrients they need to thrive

overlaid in olive and silvery-pewter

Grotek Monster Grow Pro 18-36-1 (130g) Holland Greenhouse This clever contraption automatically dispensesGrotek Monster Grow Pro is formulated with nutrient ratios to support lush green growth, improved root development, and stronger plant structure. This water soluble powder contains a blend of mineral and organic nutrients that are essential for vigorous plant growth.