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The most energy efficient light bulbs are compact fluorescent light bulbs, or CFLs, and LED bulbs. CFLs use mercury to cause a phosphor coating on the inside of the bulb of fluoresce, thereby producing light, while LED bulbs use light-emitting diodes as their light source.Which end of a bulb should be planted up?
While the answer to this question can vary based on the type of bulb, generally speaking, the pointed end of the bulb should be planted up (such as with a tulip, daffodil, or hyacinth ). Also, if a bulb is smaller than the size of a nickel, there really isn't a top and bottom.What bulb is best for flowering?
Best Lights For Flowering Stage LED Bloom Grow Lights. With LED grow lights, you can basically get any spectrum you want. ... CMH Lights For Flowering. Ceramic metal halide bulbs are the only other lights that have a nice full spectrum with good amounts in every wavelength. HPS For Flowering. ... Flowering With MH. ... T5 Flowering Bulbs. ... CFL Bloom Bulbs. ...