duckweed to control algae? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 04-28-2014, 05:38 PM Thread Starter
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duckweed to control algae?

The only place I had to set up my one tank (20 long) gets a fair amount of ambient sunlight. The plants are just starting to take off, but so is the blue green algae on all of my glass. There are no fish in the tank yet. I've read good things and bad about duckweed, and I'm wondering if it would make sense in my situation.
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post #2 of 4 (permalink) Old 04-28-2014, 05:50 PM
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It may help. Frogbit or salvinia is a million times less annoying than duckweed I would recommend those instead.

Adding some snails may be a good idea too.
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post #3 of 4 (permalink) Old 04-28-2014, 06:42 PM
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I would NOT do regular duckweed unless your prepared to fight it from now on.
Perhaps in most regular tanks it might not be hard to remove all of it.
Giant duckweed is just a slight bit smaller than Salvinia and is easy to control.
I don't think any of these will work on BGA. It's actually a bacteria, not an algae.
If you use the last cure on the list and then address any problems listed above it, the BGA may not come back.

The shortest distance between any two points is a straight the opposite direction...
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post #4 of 4 (permalink) Old 04-28-2014, 06:49 PM Thread Starter
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sorry, i think i got it wrong. It's more likely green dust algae.
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