Jack’s Professional 21-5-20 All Purpose LX Fertilizer 25lb Gardening 12x root control discs

12x root control discs

and ideal for large installs

The Ideal Air dehumidifier has a built-in defrost system that is designed for operation down to 45 F

Or plumb a custom RO feed with it

Sizing a 2 Inch Air Vacuum Relief Valve Against the 1in

Jack’s Professional 21-5-20 All Purpose LX Fertilizer 25lb Gardening 12x root control discsJacks 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