05-28-2011, 11:20 AM
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When I was in Vancouver yesterday I had a couple hours so I visited the Library and browsed through some back issues of TFH, from the latter half of 2007 I believe it was. I came across a 2-part article on algaee by Laura Muha who authored a monthly column for a couple of years that was entitled "The Skeptical Fishkeeper." She wrote on scientific/technical issues, like the effects of pH, temperature, tank sizes on fish growth, water changes--and algae.
She had been having a real problem with algae, and after setting out all the issues that can contribute to algae--high ammonia/nitrates, organics, light--she came to her own observations on how to control algae. Regular partial water changes (weekly, 40-50%) and reducing the light intensity; applying these after a thorough cleaning of the existing algae prevented its return.
In one of the same issues there was a guest column by Tom Barr, a trained botanist. Most here will recognize his name. He wrote that one of the worst problems in a planted tanks is what he calls HLD. High Light Disease.