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Thread: Register for free GEM5 test lights

  1. #71

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    Quote Originally Posted by C3hutson View Post
    they are really really red. Really bright. If I look at my scrubber at night it takes a second for me to regain vision when I look away, and that's just the light reflecting off the screen.
    I agree, wear sunglasses HAHA

  2. #72
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    Yea that's the difference between 5 real watts each light, and less real watts. And that's why a special material was need to mold it, because of the high power.

  3. #73

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    Click image for larger version

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ID:	6616
    Latest 4 days of LED growth, on a screen started with a CFLClick image for larger version

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ID:	6617 prior growth from Cfl

  4. #74
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    Looks like in both cases the light needs spreading out more.

  5. #75

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    Quote Originally Posted by markstrimaran View Post
    Attachment 6616
    Latest 4 days of LED growth, on a screen started with a CFLAttachment 6617 prior growth from Cfl
    Single sided freshwater, 49sqin, with all 4 gem lights, on the same side. Running 18 hrs a day in two 9hr on with 3 off. I will be reconfiguring it the first week of July, as I will have a week off work.

  6. #76

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    What is the dry pellet to cube, ratio?
    3 grams dry pellet, flake. Reconstituted to 10 grams. Wet volume is .85 Table spoon, or about 12 cc of paste.

  7. #77
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    1 frozen cube = 10 pinches of flake food = 10 square inches (60 sq cm) of nori = 0.1 dry ounce (2.8 grams) of pellet food

    Note that these are not calorie equivalents. They are observed functional equivalents.

  8. #78

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    Click image for larger version

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ID:	6621Click image for larger version

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ID:	6620 suction cup threads, I fixed it by adding 1/16" 316 stainless fender washer. It appears the light 42 was molded a little thin with the clear resin on the light side.

  9. #79
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    You should be able to push the clear screw into the cup while turning it; should not need washers. All of the ones I tried I can tighten as much as needed.

  10. #80

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    Although I have had my new lights on for awhile now, I technically had growth in spots from my old lights. So today I pulled it out to do a good scrapping and clean up the bottom of the bucket. Now from here on out I'll know for sure the new growth rates and density of these new lights and not a mixture of new and old.

    After the cleaning...















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