Gro1 Thermo-Hygrometer (temp/ humidity) Flowering Product Description: HM Digital's PH-200

Product Description: HM Digital's PH-200 is a digital waterproof pH meter (aka pH tester or pH pen) that is ideal for all pH testing

you switch from CANNA Start to the CANNA (Vega) nutrient suitable for the medium you're growing on (TERRA

The Plantmax 430 Watt High-Pressure Sodium Lamp with an adjusted blue spectrum brings you the best yields in flowering and fruiting

the Guardian Fire Shield™ can protect your loved ones and your valuables for 5 years (not including battery replacement for testing purposes)

and professional horticulturists

Gro1 Thermo-Hygrometer (temp/ humidity) Flowering Product Description: HM Digital's PH-200Thermo hygrometer with built in data log. Measures temperature and humidity.