HM Digital Pen style pH/Temp meter harvest-solutions Made for growers who care

Made for growers who care about plant health and long-term success

but to insects (and spiders and centipedes) they're a death sentence

and the quiet operation means that the only evidence of its presence will be the gentle breeze in the room

This species has a relatively long life (several weeks) and is better able to handle high temperatures than the Aphidius species

HM Digital Pen style pH/Temp meter harvest-solutions Made for growers who careDescription PH 80: pH HydroTester Series The PH 80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics and gardening, pools and spas, aquariums and reef tanks, water ionizers, drinking water and more. Features Measures pH and Temperature One touch automatic digital calibration Water resistant Simultaneous temperature display Large LCD display Automatic Temperature Compensation