Bluelab® Combo Meter, 3-in-1 Portable Handheld Meter for Solutions Starter Cubes boxed and labeled for ease

boxed and labeled for ease of use

Tobacco mosaic

Bigger operations require special consideration and the Roots Organic Formula 707 Peat

Helps buffer reverse osmosis (RO) water for more stable fertilizer solution

including use during blooming

Bluelab® Combo Meter, 3-in-1 Portable Handheld Meter for Solutions Starter Cubes boxed and labeled for easeBluelab Combo Meter is the 3 in 1 pH, Conductivity (EC), and Temperature meter trusted by growers for over 25 years. Bluelab Combo Meter, 3 in 1 Portable Handheld Meter provides everything you need to ensure your plants thrive, with individual probes for lasting value. For applications requiring direct root zone measurements, the Bluelab Combo Meter can be paired with the Bluelab Leap pH Probe. You can attach a Bluelab Leap pH Probe to your existing