Bluelab Multimedia pH Meter John Guest fitting 9") Weight 50 g (1

9") Weight 50 g (1

Light color: Either red or yellow

and °Baumé

They're tested for quality

High flow capacity (6 GPM) suitable for commercial systems

Bluelab Multimedia pH Meter John Guest fitting 9") Weight 50 g (1Fast and accurate pH measurements from the palm of your hand. Get fast, precise pH readings in various growing media, including hydroponics, soil, and coco coir. Its durable speartip probe allows direct root zone measurements, while the simple two point calibration ensures ongoing accuracy. Features: Compact handheld design for convenient use Bright, easy to read backlit display Replaceable Bluelab Leap pH Probe with toughened spear tip for direct