Jack’s Professional 21-5-20 All Purpose LX Fertilizer 25lb Gardening With HYGROZYME though

With HYGROZYME though

12x root control discs

pre-plant dips

Or plumb a custom RO feed with it

and ideal for large installs

Jack’s Professional 21-5-20 All Purpose LX Fertilizer 25lb Gardening With HYGROZYME thoughJacks Professional 21 5 20 All Purpose LX Fertilizer JR Peters Jacks 21 5 20 is a complete, potentially acidic formula engineered for moderate to high alkalinity water, keeping magnesium and phosphorus soluble for consistent uptake. As a lower phosphorus alternative to 20 10 20, it supports compact, vigorous growth without excessive P. The balanced profile is perfect for hydroponic systems, soilless mixes, and greenhouse crops where solution stability