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Old 12/04/2017, 09:17 PM   #9826
biecacka
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Floyd,

yeah i am at about 9 hours now, and my N/P readings are 5-10n03 and p04 is .13.

corey


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Old 12/05/2017, 03:00 AM   #9827
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Hearing about LED grow lights for the first time? Well, these are the specific led lights that can help grow plants. NASA developed this technology, and the primary motive of these lights was to grow plants on other planets than earth but since a few years these lights are available to the normal people and you can buy online easily.


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Old 12/05/2017, 03:57 AM   #9828
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I got mine at Hobby Lobby, and yes its plastic needle point canvas #7.


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Old 12/05/2017, 07:19 AM   #9829
Floyd R Turbo
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Quote:
Originally Posted by biecacka View Post
Floyd,

yeah i am at about 9 hours now, and my N/P readings are 5-10n03 and p04 is .13.

corey
Go to 12 hrs/day, maybe a few more


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Algae Scrubber Basics!!! GOOGLE "algaescrubber zoho"
General Interest Forums --> Advanced Topics --> Algae Scrubber Basics (sticky)
--> POSTS #3251-64 (Basics), #5206 (Cleaning), #6884 (LEDs), #729
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Old 12/05/2017, 09:30 AM   #9830
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Quote:
Originally Posted by Carto View Post
Horace,

If I may ask, where did you purchase these lights?

Thanks!
Got them from Ebay.

https://www.ebay.com/itm/10W-20W-30W...53.m2749.l2649

I got the 50w Warm version.

So far so good, they are still rocking!


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Old 12/07/2017, 10:25 AM   #9831
biecacka
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Quote:
Originally Posted by Floyd R Turbo View Post
Go to 12 hrs/day, maybe a few more
Roger that!


Corey


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Old 12/08/2017, 05:03 PM   #9832
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Any reason the bottom flooring of my scrubber is almost growing as much or more than my screen is?!


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Old 12/08/2017, 05:15 PM   #9833
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Quote:
Originally Posted by Horace View Post
5 days growth on new lights...on 3 hrs off 2 hrs. I would say its working . No question...algae likes the white/yellow light just fine.....

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The algae will utilise the red spectrum of light in particular & the other spectrums that makes up the white will be a waste of Watts.

Your 50W light, on each side of that screen, could instead be about 16W of red 660 nm leds


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Old 12/08/2017, 07:05 PM   #9834
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Not really. I ran red LED on one side and blue on the other... growth was almost the same. I don't really know where the color discrimination came from but flow and surface condition had a much greater effect on growth. Try it.


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Old 12/08/2017, 07:33 PM   #9835
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Quote:
Originally Posted by Twinfallz View Post
The algae will utilise the red spectrum of light in particular & the other spectrums that makes up the white will be a waste of Watts.

Your 50W light, on each side of that screen, could instead be about 16W of red 660 nm leds
False.

I had 2x50w red grow lights before and the algae didnt grow at even half the speed. Try it yourself.

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Old 12/08/2017, 11:35 PM   #9836
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Quote:
Originally Posted by Horace View Post
False.

I had 2x50w red grow lights before and the algae didnt grow at even half the speed. Try it yourself.

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Yeh, 50W of just red would cause photosaturation


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Old 12/08/2017, 11:40 PM   #9837
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Old 12/08/2017, 11:43 PM   #9838
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Quote:
Originally Posted by karimwassef View Post
Not really. I ran red LED on one side and blue on the other... growth was almost the same. I don't really know where the color discrimination came from but flow and surface condition had a much greater effect on growth. Try it.
Try just blue on both sides.


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Old 12/09/2017, 12:19 AM   #9839
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the light on each side was directional, minimal bleed through.

 photo 7C149274-801F-4A99-B9D1-B6A4C3ED6B80_zpslw9ytt6r.jpg

 photo CDDF4B00-743E-4B80-86FD-96F4C18F6762_zpswop3roal.jpg

 photo 7675FABD-AD46-416A-B1A9-EF1ED0B48BF0_zpsizhvxvop.jpg

 photo F146A5CB-D1F7-47CE-8D8C-4EC682064CAA_zpsmci8ft5p.jpg


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Old 12/09/2017, 12:38 PM   #9840
SantaMonica
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Quote:
Any reason the bottom flooring of my scrubber is almost growing as much or more than my screen is?
Light might be too bright, until the screen fills in more to absorb it.

Quote:
I had 2x50w red grow lights before and the algae didnt grow at even half the speed
Because there was too much light.


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Old 12/09/2017, 12:53 PM   #9841
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Weekend growth photos


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File Type: jpg TrevorJanvier-4.jpg (67.1 KB, 15 views)
File Type: jpg TrevorJanvier-3.jpg (65.4 KB, 18 views)
File Type: jpg UltimatemjOnCR-1.jpg (94.3 KB, 18 views)
File Type: jpg VenomOnCR-1.jpg (27.9 KB, 17 views)
File Type: jpg Wally-1-rc.jpg (36.7 KB, 15 views)
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Old 12/09/2017, 08:55 PM   #9842
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Sm drop1.4

Hi everyone,

Well, I just received and set up my Santa Monica 1.4 DROP scrubber. It looks really nice. I just used a pump that I had lying around which was a Tetra Whisper 10G air pump. It's really small. Will this work at all with a small air pump or do I have to go larger. I really like how quite the pump is. It's currently quieter than my skimmer.

FB


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Old 12/10/2017, 12:31 AM   #9843
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Quote:
Originally Posted by SantaMonica View Post
Light might be too bright, until the screen fills in more to absorb it.



Because there was too much light.
What wattage led would you recommend? I'm using a crappy cf bulb and it's not working to well.

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Old 12/10/2017, 11:04 AM   #9844
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http://ysleo.blogspot.com/2008/05/?m=1


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Old 12/11/2017, 07:02 PM   #9845
SantaMonica
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Quote:
Tetra Whisper 10G air pump
If this is the one then it's a bit small....

http://www.tetra-fish.com/Products/a...air-pumps.aspx

The 4 bubblers (for the 4 textures walls) each should get good bubble flow. Use that pump for now, but try to get the larger 40 or 60 pump.

Quote:
What wattage led would you recommend?
LED lights can be 1/4 to 1/2 watt per square inch of screen.


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Old 12/13/2017, 04:58 PM   #9846
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Seven days growth. 6" x 4" screen; 5 x 660nm red LEDs at 8 Watts total each side




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Old 12/13/2017, 10:08 PM   #9847
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plain white light

 photo BE7FC0D9-0A2D-4BB3-87DC-0EAAEE174222_zpsujujxcft.jpg


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Old 12/13/2017, 10:21 PM   #9848
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Quote:
Originally Posted by karimwassef View Post
plain white light

 photo BE7FC0D9-0A2D-4BB3-87DC-0EAAEE174222_zpsujujxcft.jpg
No such thing Karim as plain white light. Plain white light has the full spectrum,
Including RED. The RED is what your algae utilized to grow, as well as some blue. My previous point was, the watts used to generate the other spectrums is a waste, as indicated by the Chlorophyll light absorption spectrum chart i supplied,,, post 9837. There is simply no argument.


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Old 12/14/2017, 06:05 AM   #9849
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I used 450nm on one half of my scrubber and 660nm on the other half. Two one sided scrubbers that alternate. I had really fresh rock, so I feel there was a variety of algae types.

Hands down, the red grew a lot more algae than the blue. I ditched the blue and replaced it with red.


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Old 12/14/2017, 09:09 AM   #9850
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I know what white light is. When I compared the growth rates on white LEDs with blue or red, the difference was negligible. I run bigger systems so power use is important to me, but my results with 100W "white" puck were as good as 100W red led matrix.... same algae weight (and yes, I weighed the batches).

The algae was different, by the way. The white side was darker green and had more variety - red, purple, etc... but weight was ~ the same.

I found that flow and media had a lot more impact.


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