use a blade to scrape and have somebody vacuum as you scrape. better still remove the offending wood and scrape, boil...
the brown algae is a lighting intensity issue IMO and the green tufts is a rotting wood issue[a trigger IME]
for it to not grow on the wood will be difficult. normally i put some moss over it as a two in one solution.
other factors...co2, fertilizer have to be non limiting. lighting[1.5-2.5WPG] and temp-25-28c]
these green short hairy tufts? are actually quite nice looking IMO.
the black ones are a menace. actually i want to try to plant a nano with all BBA and have maculatas swimming inside...imagine...he he...
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