Amazon.com: General Hydroponics pH Control Kit for a Balanced Nutrient Solution : Industrial & Scientific
American Marine PINPOINT pH Controller: Audio Video Remote Controls: Amazon.com: Industrial & Scientific
Amazon.com: 2‑in‑1 PH and ORP Controller Acidity Alkalinity Controller Water Quality Monitoring Tool(#4) : Industrial & Scientific
Smart PH ORP Controller Online Monitoring and Dosing Digital pH Meter Redox Temp Tester Wireless App Remote for Swimming Pool Aquaculture Fishpond: Amazon.com: Industrial & Scientific
DANOPLUS Smart pH ORP Controller with Remote App Monitoring & Dosing in Water, 3 in 1 pH/ORP/Temp Meter Replaceable Probes for Hydroponics, Aquariums & Pool: Amazon.com: Industrial & Scientific
Liquid PH Value Detection detect Sensor Module Monitoring Control Board for Arduino BNC Electrode Probe Controller: Amazon.com: Industrial & Scientific
Amazon.com: 2-in-1 pH ORP Redox Controller Water Quality Tester Replaceable BNC Type Electrode Laboratories Analysis Aquarium Hydroponics : Industrial & Scientific
Gowe Digital LCD Display pH CO2 Controller Meter Aquarium Fish Tank 0.00~14.00PH Range + Switched Socket 220V-230V or 100-110V - - Amazon.com
Amazon.com: 3 in 1 pH/EC/TEMP Water Quality Detector PH Controller Repleaceable Electrode BNC Type Probe : Industrial & Scientific
PINPOINT® pH Controller 120VAC: Amazon.com: Industrial & Scientific
0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa: Amazon.com: Industrial & Scientific
American Marine PINPOINT pH Controller: Audio Video Remote Controls: Amazon.com: Industrial & Scientific
Amazon.com: Phanteks Universal Fan Controller, PH-PWHUB_02 – Low Profile Design, Universal Fan Controller, Magnetic Housing, Three Speed Modes with Remote Control : Electronics
Amazon.com: PH?803W PH ORP Controller Digital pH Meter Acidity Alkalinity Controller Water Quality Monitor(US Plug 110V) : Industrial & Scientific
Amazon.com: Bluelab CONTPRO Pro Controller for Fully Automated 24/7 Digital Monitor, Dosing, and Data Logging of Hydroponics Reservoir (Base Only, No Pump), includes pH, EC, and temperature probe : Industrial & Scientific
Amazon.com : duojin Weipro PH2010A PH Meter and Controller PH Online Monitor : Pet Supplies
Amazon.com: 2 in 1 pH ORP Redox Controller Monitor w/Output Power Relay Control Water Quality Meter Electrode Probe BNC & Continuous Measurement Kit for Aquarium Hydroponics Plant Pool Spa : Patio, Lawn
Amazon.com: Phanteks PH-CTHUB_DRGB_01 Digital Controller Hub with 3-Button Remote M/B DRGB Adapter Custom Modes and Patterns or ASUS/MSI Software Compatible
Amazon.com: Bluelab CONTPH pH Controller with Monitoring and Dosing in Water Digital Meter for Hydroponic System and Indoor Plant Grow with Easy Calibration, 1, White : Everything Else
Amazon.com: 3 in 1 pH/EC/TEMP Water Quality Detector PH Controller Repleaceable Electrode BNC Type Probe : Industrial & Scientific
0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa (pH Electrode): Amazon.com: Industrial & Scientific
RCYAGO WiFi Tuya pH Monitor, 3 in 1 pH ORP Temperature Controller Monitor, Output Power Relay Control Water Quality Monitoring Tester Kit for Aquariums Seawater Aquaculture Fish Tank: Amazon.com: Industrial & Scientific
Amazon.com: Bluelab CONTPH pH Controller with Monitoring and Dosing in Water Digital Meter for Hydroponic System and Indoor Plant Grow with Easy Calibration, 1, White : Everything Else
Milwaukee Instruments MC720 pH Controller with Mp810 Dosing Pump, 0 Degree C to 50 Degree C Temperature Range, 0.1 pH Resolution: Amazon.com: Industrial & Scientific
