The Bluelab Soil pH Pen Bluelab take the guesswork out of growing with their excellent range of testing equipment - the Soil pH Pen is the quickest and easiest way to gain precise information on the acidity or alkalinity of your soil, coco or hydroponic medium.
Bluelab - raising the industry standard Provides accurate readings on the pH of your medium - Effective in any medium, not just soil - Fully waterproof design - Temperature compensated for accurate readings Hassle free - very easy to use - Also displays temperature - Auto-off function to preserve battery life - Two-point calibration - Requires 1 x AAA battery
The Bluelab Soil pH Pen Contains: 1 x Bluelab soil testing pen, 1 x probe cover / dibber
How the Bluelab Soil pH Pen Works: PH levels have a significant effect on the absorption rates of certain nutrients and on micro-organisms present in the substrate. For this reason, knowing about the pH levels of your growing medium and adjusting nutrient pH levels accordingly is an essential part of indoor growing.
Measurement resolution (pH): 0.1pH Measurement resolution (temp): 1°C, 1°F Accuracy at 25 °C (77 °F): ±0.1 pH Calibration: Two point (pH 7.0 and pH 4.0 or pH 10.0) Power source: 1 x AAA alkaline battery.
We strongly recommend purchasing the Bluelab pH probe cleaning/storage kit for maintaining your meter.