Hydroponic Meter Pro Kit, All-in-One PH Pen, Interchangeable Probe

Hydroponic pH reader for water quality assessment to help monitor and maintain proper solution levels. Measures acidity, alkalinity, EC, TDS, temp, and salinity of water for gardens, aquariums, pools, and more. Replaceable sensor probe with sensitive glass membrane delivers instant pH readings with pinpoint accuracy. IP-67 rated to be sealed from high-volume moisture, dust, and sand; can also withstand high levels of heat.

Bluelab CONTPH pH Controller with Monitoring and Comoros

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Digital pH Meter / Tester with BNC probe interchangeable (pH-009(I)B)

Measurement Technology

Milwaukee MC120 PRO pH monitor - Seres

Bluelab METCOM Combo Meter for pH, Temperature, Conductivity (Nutrient) in Water with Easy Calibration, Digital TDS Tester for Hydroponic System and Indoor Plants: Blue Lab Ph Ppm Meter Combo: : Industrial

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The Apollo? 8 – 24 hr timer is the perfect timing solution for your hydro systems. With two outlets and a 15 Amp capacity, it’s easy to set to run your pumps, fans, etc. The Apollo? 8 has 96 non-detachable 15 min trippers and can be configured in numerous timing schedules to meet the most demanding timing requirements. Two (2) outlets. 15 min intervals. Heavy-duty construction. Easy to use and simple to operate. Enclosure resists dust, rust and moisture. Do not use with digital ballasts.

Titan Controls - Apollo 7 - One Outlet Digital Timer

Yieryi Precision Salinity Meter Seawater Aquariums PH Salt Tester Atc for Hydroponic Saltwater Pools Aquaculture Swimming Food - AliExpress

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