Fox Farm Instant Grow Big Size:2.5 Gallon Magnum is a concentrated Magnesium

Magnum is a concentrated Magnesium supplement with vitamin B1 for supplying extra Magnesium and Sulfur during the Bloom phase

The bottom line is Piranha increases your plant's root growth so your plant’s roots are strong enough to give you optimum harvest yields

Better yield and harvest quality

It contains a balanced blend of essential micro and macro nutrients

high light intensity

Fox Farm Instant Grow Big Size:2.5 Gallon Magnum is a concentrated MagnesiumGrow Big is a stable, highly concentrated, comprehensive blend of major, minor and micro nutrients formulated to promote spectacular balanced growth, instant green up and color intensity of blossoms. Grow Big will enhance plant size and structure of all plants. Grow Big is great for roses, tomatoes and lawns. Perfect for use during the vegetative cycle, or Grow Big can be used as the only houseplant fertilizer you will ever need. Expect exceptional