Ballast Kit, Sodium, 600W, Multi-Volt lighting_accessories • Internal check-valve to prevent

• Internal check-valve to prevent accidental oil backflow

or any loose growing media like peat

This floating

Graphite Sensor– Reduces polarization effects and does not oxidize resulting in a reliable and accurate reading

Range: 0-999 ppm

Ballast Kit, Sodium, 600W, Multi-Volt lighting_accessories • Internal check-valve to preventBallast Kit, Sodium, 600W Multi Volt Best choice for DIY grow room aficionados! Whether you are wiring your own first ballast setup or performing a complete overhaul of your existing equipment, this kit offers all you need, including the right capacitors and transformers. Rely on Hydrofarm for premium quality North American made ballast components. All parts are UL recognized. Ballasts include welded on brackets for easy replacement mounting. All