Bluelab Replacement pH Probe for Combo, Guardian and pH Controller Grow Tents This compact size ensures a

This compact size ensures a seamless fit in most setting

unbleached plant fibers and finished with the purest natural tree sap gumline

Cooling Capacity 4500W/16000BTU

It also comes in handy for cooling areas such as equipment rooms

This gauge is great for use with water systems

Bluelab Replacement pH Probe for Combo, Guardian and pH Controller Grow Tents This compact size ensures aBluelab 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