Is this beard algae? How do I cure? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 02-14-2013, 07:40 PM Thread Starter
Algae Grower
Join Date: Jan 2012
Location: San Antonio , tx
Posts: 53
Is this beard algae? How do I cure?

Have some algae issues I have been trying to just ignore. Bad idea, but now I'm ready to deal. Click image for larger version

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post #2 of 3 (permalink) Old 02-14-2013, 08:01 PM
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Join Date: Jan 2008
Location: Toronto/Singapore
Posts: 10,184
Despite the blurry image, it appears to be BBA. BBA can be caused by various issues such as low CO2 levels. What are your water parameters like? What about lighting and fertilization routine (if any)?

If you do not fix the underlying cause, the BBA will come back.

Spot dosing with glutaraldehyde or hydrogen peroxide (Excel, API CO2 booster, Metricide 14, etc) will work to kill off the BBA. For hardscape, you also have the option of using bleach (be sure to use dechlorinator at two times the normal dosage to eliminate any residual bleach after rinsing the hardscape in water).


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post #3 of 3 (permalink) Old 02-14-2013, 10:43 PM
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Join Date: Jul 2010
Location: kentucky
Posts: 55
i use hydrogen peroxide as mentioned before it's cheaper.i dose at 3ml per gal but some say dose at a lower dose.use a syringe and spot treat areas.i generaly do it right before a water change turning off the filters and lights for 30 min while treating then turning everything back on for a bit before a water change. you have it pretty bad so it'll take a bit to get rid of all of it, you may even consider starting over. i've found it uselly shows up when the lights are to strong or the co2 has changed.I'm no xpert but i have been fighting this algae for several years trying different things.i've found peroxide and decrease in light strength and/or time seem to help the most and a good steady co2 lvl.excell works aswell but kinda expensive.peroxide can be added as a deterent to algae during your weekly water changes and has worked for me.there is something out of wack for you to get it this bad or you have been ignoring it for a while,it's best to stay on top of this algae or as you can see it'll take over and destroy your plants.don't give up and
best of luck to ya

Last edited by afuzzy420; 02-15-2013 at 12:09 AM. Reason: spelling corrections
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