Ballast Kit, Sodium, 600W, Multi-Volt reflective-and-greenhouse-films Experienced gardeners know that a

Experienced gardeners know that a perfect outdoor mix is different than a perfect indoor mix

polarographic probe with 3m cable

The Root Spa is a Deep Water Culture system

Temperature compensation: none

as the intent of this product is to be a mycorrhizal inoculant only of the highest purity available

Ballast Kit, Sodium, 600W, Multi-Volt reflective-and-greenhouse-films Experienced gardeners know that aBallast 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