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-   -   A 2 YR. STUDY OF ALGAL GROWTH WITH F40F12 LIGHTS (http://forum.brooklynaquariumsociety.org/showthread.php?t=945)

robertprice May 12th, 2010 08:54 PM

A 2 YR. STUDY OF ALGAL GROWTH WITH F40F12 LIGHTS
 
I HAVE RUN 4 COMMONLY USED 55 GALLON FLUORESCENT TUBES 12 HOURS DAILY FOR 2 YEARS IN SIMILAR TANKS. THESE ARE THE RESULTS FOR ALGAL GROWTH.

1. PETLAND STANDARD 55 GALLON FLOURESCENT- ACCEPTABLE GREEN ALGAE GROWTH IF NOT EXPOSED TO SUNLIGHT, OTHERWISE ALGAL GROWTH MODERATE TO SEVERE.
2. PHILLIPS 40 WATT NATURAL SUNLSHINE- AS ABOVE.
3. OTT LITE VISION SAVER 4 FOOT FLOUPRESECENT - NO ALGAL GROWTH AT ALL.
4. PHILLIPS PLANT AND AQUARIUM- EXTREME ALGAL GROWTH UNDER NORMAL CONDITIONS, UNACCEPTABLE WHEN EXPOSED TO NATURAL SUN.

ROBERT PRICE

xoomer December 3rd, 2010 10:38 PM

I'd be interested to see pictures of your setup and some more info on testing methology.

bluedog800 December 23rd, 2010 10:34 AM

would it not be fair to assume that the different lights causing algae growth would have different affects on plant life. This doesn't seem to address depth of penetration either. I would defiantly require more information before i accepted the blanket 4 line statement.

xoomer January 2nd, 2011 12:09 PM

I have to agree with you.


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