Do Grow Lights Use a Lot of Electricity? The Real Math
What a grow light really costs to run: watts x hours ÷ 1,000 x your rate, worked out on a normal houseplant setup. Plus the catch on box wattage.
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Do I Need a Grow Light? How to Answer It Honestly
Extension services do not agree on what low light means, and the gap between their scales is wider than the gap between two rooms. Here is how to decide anyway.
