Bluelab Replacement pH Probe for Combo, Guardian and pH Controller X Nutrients bloom Nordic Pure 16x16x1 MERV 7

Nordic Pure 16x16x1 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

Soluble Potash (K₂O): 26

the Quantanium coating does not require any spray

can be mounted onto wall panels and cabinets up to 1

Bluelab Replacement pH Probe for Combo, Guardian and pH Controller X Nutrients bloom Nordic Pure 16x16x1 MERV 7Bluelab 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