Jack's 21-5-20 All Purpose

Part of the Jack's Professional LX line

This is the ideal fertilizer for moderate to high alkalinity water. This complete formula keeps magnesium and phosphorus soluble in concentration giving the grower ultimate flexibility when adjusting their nutrient program. It can be tank mixed with 15-5-15, other Jack's LX formulas as well as Calcium nitrate and or magnesium nitrate.

For Use On:

All bedding and potted plants, can be used for plugs at low rates

​Growers Who Want:

A General Purpose formula that is potentially acidic. Great as a lower P alternative to 20-10-20.  Very flexible formula that can be tanked mixed with other LX blends without reducing micro nutrient concentration.