06-12-2012, 11:38 PM
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Originally Posted by Byron
We are certain this is cyanobacteria? Sorry, but with so many threads and PM's I can't keep them all in my mind. Cyanobacteria is organics-related, but once it has taken hold it is difficult to keep away, as it is quick to return initially, but with persistence over several weeks (up to 3 months) it can be beaten.
All I suggest is very thorough cleanings--filter, substrate (even if planted), water changes. I haven't tried these plants, but both Egeria densa (Elodea) and Ceratophyllum demersum are said to severely inhibit cyano because they naturally release substances that attacks cyanobacteria.
The treatment sometimes suggested using antibiotics i donot recommend as this obviously kills various bacteria in the filter and substrate beyond the cyano, and some antibiotics will kill plants. Plus the fish should never be subjected to antibiotics except to deal with a fish-related bacterium.
hmm ok. should i increase the amount of water i change AND the number of times I clean in a week?