Bluelab Replacement pH Probe for Combo, Guardian and pH Controller lamps Durable and Versatile Backpack Sprayer

Durable and Versatile Backpack Sprayer

The display is green in color

but not in strength and uniformity

Compact Design: Perfect for smaller grow spaces and compatible with popular Flexi-Tanks

70 Gallon White Reservoir Lid for use with DL item 069644

Bluelab Replacement pH Probe for Combo, Guardian and pH Controller lamps Durable and Versatile Backpack SprayerBluelab Replacement pH Probe: Durable & Accurate pH Measurement for Your Bluelab Devices Keep your Bluelab pH devices performing at their best with the Bluelab Replacement pH Probe! This durable and affordable probe is compatible with a range of Bluelab meters and controllers, providing accurate and reliable pH measurements for optimal plant growth. Why pH Matters for Plant Health: pH plays a critical role in nutrient availability. Plants can only