brown stuff on duckweed - Betta Fish and Betta Fish Care
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post #1 of 4 (permalink) Old 01-10-2013, 02:36 PM Thread Starter
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Join Date: Jun 2012
Location: oahu, hawaii
Posts: 367
brown stuff on duckweed

what is this on duckweed? it is also on other plants in tank. it can be rubbed off and under it looks ok. and how do i get rid of it? ty
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post #2 of 4 (permalink) Old 01-10-2013, 02:46 PM
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Location: Wisconsin
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Is algae growning in your tank?, it can be from that or else to much co2 inside your tank. I got that once, I end up doing a 75% water change and turn off my lighting for 3 days straight and it all went away. But it seem like dirty waste scum due to less water changing.
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post #3 of 4 (permalink) Old 01-10-2013, 02:55 PM
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I always get brown stuff on my plants. When it is on hornwort & anacharis I just throw away the worst part and keep the new growth. When it is on anubias I rub it off the leaves with my fingers. so far it hasn't affected my duckweed or amazon sword.

I figured it was due to either hard water or high ph. it's like rust.
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post #4 of 4 (permalink) Old 01-10-2013, 03:34 PM Thread Starter
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Location: oahu, hawaii
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i dont have co2 and its a 55 gal. i change only about 5-10 gals once a week. have bout 7 female bettas and 8 neons and 2 corys and 5 otos. i try not to over feed but im not sure if i am still...
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