Roseate bulb -> Diatoms - The Planted Tank Forum
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post #1 of 4 (permalink) Old 03-31-2013, 07:49 PM Thread Starter
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Location: Lancaster, PA
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Roseate bulb -> Diatoms

Anyone have a problem with a roseate bulb causing brown diatoms?

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post #2 of 4 (permalink) Old 04-03-2013, 04:26 AM
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Join Date: May 2009
Location: Canada
Posts: 69
I've had 2 different t5 HO fixtures with roseate bulbs, and have never had a problem with brown diatoms. It took me a little while to get used to the colour difference compared to a daylight or 10,000 k bulb but since then have noticed some awesome colours in my plants and fish.

Sometimes I wish my hobby didn't involve water
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post #3 of 4 (permalink) Old 04-03-2013, 04:35 PM Thread Starter
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gotcha! I'm having a problem with them and I read somewhere that it could be the roseate bulb so I was just seeing if some other people had this problem

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post #4 of 4 (permalink) Old 04-03-2013, 06:34 PM
Are these real?
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Location: Monterey, CA
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If you switched from different bulbs, the change in light levels might have caused an imbalance leading to the diatoms. They should disappear after a few weeks if that was the case.

Excess silicates are said to favor diatoms, something to check into.
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