Tropicals & Tender Perennials: ID and overwintering advice, please, 1 by rh3708
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In reply to: ID and overwintering advice, please
Forum: Tropicals & Tender Perennials
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rh3708 wrote: Yep they are grow lights here is what they stand for, HPS = High Pressure Sodium MH = Metal halide I use them in the winter for plants that cant take the cold. They work well but will cause your light bill to be a little higher. I think it runs $15 more when i use them. :} rh |