Direct Sunlight with Hagen Power-Glo?
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Old 12-12-2012, 01:29 PM   #1
Algae Grower
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Default Direct Sunlight with Hagen Power-Glo?


I am starting a new planted tank, but there is one catch. The tank is in direct sunlight on an enclosed balcony (wife's decision )

I am trying to achieve two aims: A) Minimual Algae B) Lush plant growth.

I already got CO2 injection, PO4 reducing filter media, Purgien for getting the Nitrate level in check. so only thing left in place is getting lighting sorted.

I am thinking two options on the lighting. (It is a standard Juwel 70 Liter Tank, only 1 T8 slot)

1) Crazy option: Shield Tank completed from Sunlight, making a "curtain" to cover the tank completely during the day, and use a Flora Sun T8 light which has both blue and red spectrum.

2) Balance option: This is the one I want get your opinon. As solar spectrum in mainly in Red/Yellow range, I could just get a Hagen Power-Glo T8 which has strong Blue Spectrum and minimal Red Spectrum, so the plant can take Blue Spectrum from the PowerGlo, and Red Spectrum from Sunlight. Hopefully with CO2, it will still keep algae in check even under direct sunlight.

What do you think about Option 2? I want to avoid putting the Flora Sun with direct sunlight, as it will peak the red spectrum and causing algae boom. Can you think any other lights that may suitable my particular arrangement.

Also, When people say sunlight causing Algae, is it purely because of the intensity of the red spectrum? Any other causes I need to address putting a planted tank in sunlight?

slingfox is offline   Reply With Quote

lighting, power-glo

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