Aqua Master Combo Pen P110 Pro Soil Plants can easily absorb liquid

Plants can easily absorb liquid Ca

which will remove any nasty odours

Ideal for Potting: Jiffy PRO7 BATMIX is remarkably user-friendly

and there is also a programmable audible alarm which will sound when the CO₂ level reaches a user-set threshold

Buddha's Tree - Coco A&B is a 2-part base nutrient

Aqua Master Combo Pen P110 Pro Soil Plants can easily absorb liquidOverview The Combo Pen P110 Pro from Aqua Master features a modern design and heavy duty housing to prevent damage. This pen is ideal for measuring the EC, pH and temperature of your nutrient solution. The pen comes fully calibrated and includes batteries, so you can use it straight away. General Information One unit to measure EC, pH and water temperature. Unlike many others on the market, the Combo Pen P110 Pro is designed for dry storage, meaning