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Re: [APD] Dark green slimy algae
Without pictures, it's difficult to identify, but kinda sounds like
blue-green algae (cyanobacteria). Could be not enough nitrate or
water flow. Have you measured nitrate and phosphate levels? Are you
On Mon, Mar 17, 2008 at 9:58 PM, Edson Manners
<emanners at edsonmanners_com> wrote:
> I've been browsing this list for quite a while but this is my
> first time posting. I have a problem that I can't seem to get rid of.
> First things first. I have 2 tanks. The one in question is a planted 75
> gallon community tank with a variety of plants the most prolific being
> Anubias Nana that has practically taken over the tank. I also have java
> fern, anacharis and cryptocorine. I do water changes about once a month
> or faster when my phosphate levels get too high. For light I use a VHO
> 4x65watts Fluorescent coralife.
> The lights have 2 switches so I run one pair from 8am-2pm and the other
> pair from 12pm-6pm so that I get about 2 hours a day of about 3 watts
> per gallon.
> I have some really nasty dark green algae that is slimy to the touch
> growing on everything. The most distressing thing is that it kills
> practically all of the plants with smaller leaves like anacharis and
> cabomba. I had gotten rid of the algae the first time it showed up about
> a year ago by doing a bunch of different things. However I've done so
> many things that I can't really figure out what the problem really was.
> Now its back. The problem that I had the last time I got rid of the
> algae was that my plants started dying off. Even my hardy java fern.
> Other plants would turn brown and die.
> At first I thought that it was high phosphates so I did 30% every day.
> But that hasn't done it. So I've decreased the duration of the lights
> from 8am-6pm to 9pm-4pm with no overlap (i.e. 130watts instead of 260)
> and that hasn't helped. I even tried what one of my books said and that
> was to leave the lights off for 4 days and still nothing.
> Does anyone have nay insight on what this is? At least the name of the
> algae? Thanks.
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