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Thread: Active Flask Storage

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  1. #1
    Real Name
    Jordan Healey
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    Greenhouse
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    The Weird and the Wonderful!
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    right....In our aquarium, we have a system (a rather annoying system thanks to AquaOne) where we have to purchase two sets of two bulbs for the hood. There is an option where you can purchase a set with one daylight fluoro, and one daylight UV. It is pretty weak, almost looks like the normal fluoro with a very faint pink tinge. That is the sort i mean, not a hardcore purple UV light. It has no effect on the plants or fish and slows and eventually stops algal growth.

  2. #2
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    Amey Bhide
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    Cattleya alliance
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    Jordan I am familiar with this tube, actually it is not UV light at all. It is a special grow light which enhances just the red and blue ends of the light spectrum. White light is composed of 7 colours, but plants can make efficient use of only the red-orange and the blue light. So these lights are made such that they emit light more only in these ranges whereas reducing the emissions of the other colors making them look violet (mixture of red and blue) The reason why it inhibits algae is not because of its germicidal properties but because plants can better use this light (algae are not as efficient in absorbing the blue light), so the plants can now outcompete the algae by absorbing the nutrients from the water column thus starving the algae.
    This light will have no killing effect whatsoever on the fungii
    Quote Originally Posted by kiwiorchids View Post
    right....In our aquarium, we have a system.There is an option where you can purchase a set with one daylight fluoro, and one daylight UV. It is pretty weak, almost looks like the normal fluoro with a very faint pink tinge. That is the sort i mean, not a hardcore purple UV light. It has no effect on the plants or fish and slows and eventually stops algal growth.

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