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confused about which florescents to use

This is a discussion on confused about which florescents to use within the Semi Hydro / Lights / Greenhouses / Accessories forums, part of the Orchid Culture category; Thanks Sam. I forgot the name of the CFL bulb mfg but i saw it ...

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  1. #11
    starwhiz is offline Member
    Join Date
    May 2005
    Colorado Springs


    Thanks Sam. I forgot the name of the CFL bulb mfg but i saw it in HD (Ill go check today). How far are the plants from the CFL? Is CFL hot, warm?

  2. #12
    peteMc's Avatar
    peteMc is offline innocent bystander
    Join Date
    Jul 2004

    Default Supplemental Post;Natural Sunshine has a higher rating...

    I was just looking at these over the past weekend - nine days of rain and clouds got me thinking - and I noticed that the 40w Natural Sunshine bulbs had a higher lumens output than the Plant & Aquarium bulbs, and were a couple dollars cheaper each...I can't position all the plants all that close to the bulbs because of their structure and other considerations, however, I intend to try these for supplemental light this winter, and will post if I notice any difference in the health of the plants.


  3. #13
    SaMRoza is offline Junior Member
    Join Date
    Oct 2005


    The HD bulb manufacturer is called Consumer Electric. AFAIK, they only make bulbs up to 42W, and make none in that wattage in the range of 6500K, which I prefer. 42W is just barely enough light to grow plants under, IMO.

    In the past I have bought my 85W bulbs from several retailers online. At one point, there was an Ebayer who was closing out 85W bulbs at $9/ea.

    My plants are about 24" away from the lights. At that level, it is sufficiently bright to turn most of my plants purple, so I assume they are getting more than enough light.


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