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The Hanna GroLine Waterproof Portable pH/EC/TDS/Temperature Meter has many advanced features that are found in more expensive portable instrumentation including automatic calibration
Every Gorilla Grow Tent Comes with the following:
trees & bulbs—indoors or out
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Agrowtek 3-Port Sensor Manifold 1'' | Hydroponic Inline Thermostats The Hanna GroLine Waterproof PortableAgrowtek 3 Port Sensor Manifold 1'' for Hydroponics Built for serious growers, the Agrowtek 3 Port Sensor Manifold 1'' integrates three water tight compression glands into a durable 1 inch PVC body to mount inline pH, EC, ORP DO, and temperature probes with your recirculating pump. Compression glands clamp securely around probes, making installation, removal, and calibration fast and mess free. Rated for up to 30 GPM flow and 60 PSI, this hydroponic
