Black Alge?
Hi..
The phosphate is from the well water I get. I've tried
every product out there to get rid of it.
Nothing works so I've learned to
live with it. I'll try the 'big cleaning' route and crank
up the CO2 and light and see
where we go from there.
Cyanobacteria are mostly no good at tolerating changes in
lightening and water conditions.
I've seen it several times: filter mud inputs were able to
stop them.
My favourite way to stop and remove them are daily tap water
changes of 85% netto over a period of 7 days minimum.
Another ("harder") method were a dimout (lights of, tank
enveloped and running with an extra air stone) for a week.
Your plants might suffer but would survive.
HTH.
--
cu
Marco
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