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Re: [APD] Hair algae

Thanks for the replies Vaugh, sh, and Tom.
I am dosing traces, but forgot to mention it. 10 ml Flourish Comp 3x a week.
When the algae first appeared, the CO2 level was actually much much higher, 
around 45-50ppm.
I'll do the manual removal again, a good water change, and increase the CO2.
Should any plants that are fairly heavily coverd (like the spade leaf) be 
outright removed?
I'll also look into that other test Vaughn mentioned.


> Message: 2
> Date: Mon, 16 Oct 2006 08:53:03 -0700 (PDT)
> From: Thomas Barr <tcbiii at yahoo_com>
> Subject: Re: [APD] Hair algae
> To: aquatic-plants at actwin_com
> I think it's a mix of CO2 and the trace dosing, you make
> reference to 10 drops, is that the trace dosing?
> That's only 1/2 ml.
> You need more like 15mls 2-3x a week.
> That and good cleaning, followed by a water change, maybe add a
> full dose of Excel, then another 2 days later and bump up the
> CO2 some.
> You can read the more agressive approach and do the 50-80% water
> changes 3x days in a row+ blackout + Excel dosing, plus manual
> removal.
> That will certainly kill any green algae and beat it way back
> with very little, if any damage to plants.
> Then you still need to address trace and CO2 dosing so it does
> not come back.
> If you have good nutrients/CO2, no lagae should reappear, if it
> does, you are still not getting those right, generally CO2.
> The drop checker Vaughn mentions is a wise idea. It's not
> particular narrow in accuracy, but it's more accurate in many
> cases and gets around any non bicarbonate buffer issues.
> I'm not sure the optimal range of the solution (turns green) is
> set at 30-35ppm though..............it might be set at 15ppm or
> 20ppm etc.
> Different brands are set at different levels, who knows........
> I like making the tank a ref solution(generally a large water
> change, or you can sometimes measure a standing ambient glass of
> water and measuring that's pH/KH etc and from there dropping the
> pH w/CO2 1.2 pH units basically) and then the rest of the week
> keeping the CO2 rate being dosed the same.
> CO2 is the one thing folks likely should most focus on.
> Instead folks end up worry about algae, NO3, Fe and siesta
> lighting routines and minor issues while missing the big one.
> CO2 accounts for at least 90-95% of every algae issues I deal
> with and help folks with.
> Good CO2 will make the plants pearl, improve water clarity beat
> algae back and turn a tank around very fast.
> Regards,
> Tom Barr
> www.BarrReport.com
> Public Aquatic Macrophyte Forum
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