Bluelab Probe Care Kit - pH & Conductivity HYDROFARM 2 PSI internal check valve
Yard notes & kiln story
Bluelab Probe Care Kit pH & Conductivity HYDROFARM 2 PSI internal check valve 2 PSI internal check valve that helps prevent low emitter drainage holding back up to a 5 ft column of water as well as several other functions suck as like overheat protection
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