Photo 1 of Bluelab CONTPHCON pH Controller Connect with Monitoring, Dosing, and Data Logging in Water (Stick not Included) Digital Meter for Hydroponic System and Indoor Plant Grow, White

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Photo 1 of Bluelab CONTPHCON pH Controller Connect with Monitoring, Dosing, and Data Logging in Water (Stick not Included) Digital Meter for Hydroponic System and Indoor Plant Grow, White Photo 2 of Bluelab CONTPHCON pH Controller Connect with Monitoring, Dosing, and Data Logging in Water (Stick not Included) Digital Meter for Hydroponic System and Indoor Plant Grow, White Photo 3 of Bluelab CONTPHCON pH Controller Connect with Monitoring, Dosing, and Data Logging in Water (Stick not Included) Digital Meter for Hydroponic System and Indoor Plant Grow, White Photo 4 of Bluelab CONTPHCON pH Controller Connect with Monitoring, Dosing, and Data Logging in Water (Stick not Included) Digital Meter for Hydroponic System and Indoor Plant Grow, White