Optical Dissolved Oxygen Meter Lamps POL Inlet tank connection is

POL Inlet tank connection is 1/4" female 18NPT and the outlet connection to the main RV gas line is 3/8"-18NPT

To keep your membrane in optimum working condition

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Athena PK is a low nitrogen booster providing additional phosphorus and potassium that high-yielding plants need for maximum production

Optical Dissolved Oxygen Meter Lamps POL Inlet tank connection isThe Sper Scientific Optical Dissolved Oxygen (DO) Meter is an ideal tool for low maintenance dissolved oxygen measurement. It delivers accurate results even in low oxygen ranges and remains unaffected by acid gases, ensuring reliable performance in challenging environments. With no polarization time or probe maintenance required, this DO meter offers unparalleled ease of use. The large, easy to read LCD screen simultaneously displays both dissolved