Jack’s Professional 21-5-20 All Purpose LX Fertilizer 25lb Plant-Safe Monitoring 2 or 3 point

2 or 3 point

keeping the pH within the ideal range for mineral uptake regardless of fluctuations in water quality

613 µmol/s PPF: 2

Hydroponic Nutrients are a power-packed trio for nurturing generous vegetative crops and extraordinary floral growth

These certifications are verifiable through their respective online directories under AC Infinity Inc

Jack’s Professional 21-5-20 All Purpose LX Fertilizer 25lb Plant-Safe Monitoring 2 or 3 pointJacks 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