Bluelab Replacement pH Probe for Combo, Guardian and pH Controller Grow Tents Each screen comes with hardware

Each screen comes with hardware so you can easily mount your new screen

This compact size ensures a seamless fit in most setting

This gauge is great for use with water systems

This sturdy construction allows for sufficient structural rigidity during transplant and throughout a plant’s life cycle

and essential garden tools to form a comprehensive indoor growing system

Bluelab Replacement pH Probe for Combo, Guardian and pH Controller Grow Tents Each screen comes with hardwareBluelab 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