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Thread: 2nd design scrubber

  1. #21

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    week5. looks about the same. Thanks

  2. #22
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    Should certainly have lots of green by now.

  3. #23

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    Thanks for the reply! There isn't much change. in fact there is less this week than last. Not sure what steps are needed to refine the design. I run 18 on 6 off. Surely there is plenty of light. There must be plenty of excess nutrients in the tank. I do have a steady sheet of water.However I can increase flow over the screen. I'm sure the screen is roughed up . I will get a pic up of the lights on and off. Any suggestions would be appreciated. Thanks for helping me with this experiment, Brian

  4. #24

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    week 6, looks the same I do have some bud looking spots still brown though.

    I think I will wait one more week and concentrate the lights on 1/2 of the screen and see what happens. Thanks

  5. #25
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    Looks like it is just way oversized for the amount of feeding/nutrients

  6. #26

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    Thanks Again for Your advice. The screen is way big according to the new sizing guide. I will cut the screen down. This way I can use a shorter slot in the manifold which will create more flow over the screen and concentrate the lighting.

  7. #27

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    Good evening,I cut the screen down from 9.5 to 7 inches. I was able to concentrate the lighting greatly. I will give it a couple of weeks and see what happens.Thanks

  8. #28
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    The stronger flow will help a lot.

  9. #29

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    Hello, I guess week 7 now? So I cut the screen down to 7 inches as stated last week. Was really able to concentrate the lights and improved the manifold for better flow .More brown stuff but more thicker spots. Hard to explain. I lightly scrapped the screen. I'm willing to make the screen smaller and build a container that is not as wide. the current container is 5.5 inches wide The acrylic I used wasn't crystal clear. Here is a pic. Thanks!

  10. #30
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    Did you really rough the screen? Those spots usually happen if the screen is too smooth.

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