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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,
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
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
> 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.
> Tom Barr
> Public Aquatic Macrophyte Forum
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