Brown Algae Question - The Planted Tank Forum
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post #1 of 5 (permalink) Old 03-15-2007, 07:18 PM Thread Starter
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Question Brown Algae Question

Since this is a diatom or bacteria... what effect does tetracycline have on it?
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post #2 of 5 (permalink) Old 03-15-2007, 11:16 PM
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it's diatoms not bacteria, all you'll do is nuke your bio filter.
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post #3 of 5 (permalink) Old 03-17-2007, 05:38 PM Thread Starter
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Brown Algae Question

In a previous post, Maracyn was suggested as a Brown Algae control because it is a photosynthetic bacteria. They suggested that gram-negative meds would control it without harming the filter bacteria when gram-positive meds would. Maracyn is erythromycin... an antibiotic. I just don't know if tetracyclin is a gram-negative or -positive... and if it would have any effect on the Brown Algae.
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post #4 of 5 (permalink) Old 03-17-2007, 08:49 PM
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Try some otto cats. They eat this kind of algae up.
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post #5 of 5 (permalink) Old 03-19-2007, 12:16 AM
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You can wait it out, or use Oto's. Blue-Green Algae (BGA) IS a bacteria. Maracyn will not help with diatoms (brown algae), because it IS NOT a bacteria.
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