Jack's WSF LX 21-5-20 All Purpose 77990 25 Lb Bag (Oxidizer)
Vendor: JR PETERS INC
This is the ideal fertilizer for moderate to high alkalinity water. This complete formula keeps calcium, 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