In stock Thermometers and hygrometers Soil moisture thermometer - Garland Garland THERMOMETRE-HUMIDITE-SOL-GARLAND €13.40 The Garland soil moisture thermometer is an essential tool for indoor and outdoor growers. Designed with state-of-the-art technology, this thermometer provides an accurate measurement of soil moisture, so you can create the optimum environment for your plants to grow. Add to cart