about 3 weeks i startet my scrubber.
it,s about 20cm x 15cm, with 16w light and a 800l/h pump.
it,s growing dark brown algea, im cleaning it every 7 days.
my nitrate are at 25ppm now, it was at 50ppm but i have taken several water changes since then.
how do i get the green algea to grow?
do i have to oppgrade somethings?
I have a 240litre tank with 2 percula,9 chromis varldis,1 banana wrasse, 1 mandarin , 2 anemone and corals.
my tank is over run by GHA and cyano.
its 9 monts old.
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