Rapitest Soil pH Meter Plant Support Tools and Gears 95 PPF (photosynthetic photon flux)

95 PPF (photosynthetic photon flux) per second light source

CO2 is scientifically proven to improve the performance of plants

Titan Controls Helios 1 - 4 Light 120 Volt Controller with Timer

On/off switch for the two LED lights

Diameter: 6 inch

Rapitest Soil pH Meter Plant Support Tools and Gears 95 PPF (photosynthetic photon flux)Rapitest soil pH meter determines the pH (acidity alkalinity) of garden soil within 60 seconds on the 3. 5 to 9 portion of the pH scale.. With this information, the gardener can check which plants suit their soil pH. Information included on how to alter soil pH. Probe is 4 inches long on a flexible 24 inch cord.