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[APD] Re: How to get rid of BGA
There has been a lot posted on this subject here and elsewhere.
There are two main ways to get rid of the stuff, either chemically or via a
blackout with supplemental feeding.
I've used the antibiotic erythromycin (sold as Mardel) with success in the
early stages of my soil based tanks. I believe BGA grows then because there
are more nutrients in the water column than the not-yet-growing-much plants
can consume. The treatment is effective and relatively easy to administer.
The algae does not recur, since, I assume, the cause is corrected when the
plants start growing rapidly.
If BGA occurs in more mature tanks there is a different cause, but I think
it is still probably nutrient related.
Detailed instructions for both general methods are in the archives here and
elsewhere in the web.
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