General Hydroponics®, Armor Si®, 0-0-4, Silica for Plant Growth Enhancement (2.5 Gallon) The Nokbox The PWM-control feature also ensures

The PWM-control feature also ensures the fan operates smoothly at extremely low RPM without generating excessive heat or noise

Winter Storage – Keeps for months in cool storage without losing quality

Product Length: 13

and 10 variable brightness levels

General Hydroponics®, Armor Si®, 0-0-4, Silica for Plant Growth Enhancement (2.5 Gallon) The Nokbox The PWM-control feature also ensuresArmor Si Silica For Plant Growth Enhancement, Soluble Potash (K2O) 4% 2. 5 Gallon Armor Si, with 4% Soluble Potash (K2O), is a versatile growth enhancer suitable for hydroponics, Coco Coir, and all grow media. Strengthen your plants, improve structure, and boost foliar development. Increase yield and enhance flower and fruit production. Benefits Armor Si is suitable for all types of plants during all stages of growth Use as a growth enhancer with