pH Method: Phenol red colorimetric

Pre-mixed for convenience and accuracy

viscous solutions

Hydroponics and agriculture

it delivers lab-quality results at a fraction of the cost — ideal for beer brewing

Active Air Indoor-Outdoor Thermometer & Hygrometer with Remote Probe alkaline water pitcher pH Method: Phenol red colorimetricActive Air Indoor Outdoor Thermometer & Hygrometer with Remote Probe Take full control of your grow room environment with the Active Air Indoor Outdoor Thermometer & Hygrometer. Built from durable materials engineered for the demanding climate of indoor growing spaces, this essential monitoring tool delivers real time temperature and humidity readings on a large, easy to read display so you always know exactly what's happening in your grow space. The