Whether you're dosing nutrients in a hydroponics system

the OnePen™ is built for daily use in the most demanding growing environments

Store buffer solutions in sealed bottles away from light

Solutions for electrode maintenance and storage

Hydroponics & nutrient solution phosphate monitoring

Bluelab Multimedia pH Meter HI76483A/P Whether you're dosing nutrients inFast 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