21-5-20 All Purpose LX

21-5-20 All Purpose LX is a fertilizer that works exceptionally well with hard water sources with elevated pH levels. It maintains optimal availability of calcium, magnesium, and phosphorus, allowing for significant control in customizing feeding regimens.

Use this comprehensive nutrient blend to combine easily with the 15-5-15 formulation, other Jack's LX products, and supplemental applications of calcium nitrate and magnesium nitrate.

This product is suitable for cultivators dealing with hard water conditions. It's ideal for those who want to customize their feeding regimen while maintaining nutrient availability.