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• Toughened spear tip for direct root-zone measurements
It provides boosted micronutrient levels
or 12 or 24 VAC up to 4
160 Micron for flower real fresh Sticky 68-75% humidity
The EL3 enables you to set sunrise/sunset dimming
Hydrofarm CO2 Tester Kit (CLEARANCE 40% OFF) POWERSI • Toughened spear tip forFINAL SALE! We recommend measuring CO2 periodically to ensure optimum levels for growth! The Active Air CO2 Tester Kit is an inexpensive alternative to costly electronic monitors! Why Active Air CO2 Tester Kits (Hydrofarm)? An inexpensive alternative to costly electronic monitors! Ensures optimum levels for growth! Use the tester kit to gauge proper CO2 level, as well as eliminate waste and optimize growth. The kit is inexpensive and easy to use and
