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Plants grow great in blackout...
I just took the blanket off my 72 gallon tank, trying to get rid of some
annoying algae (grows in tiny hairs about 1/4" on taller plants). Well, the
algae didn't go away (arg!) but several of the plants seems to have actually
flourished - hairgrass and especially a red lotus which I had thought was
dead. What's with that?
Normally this 72 gallon tank has 220W of AHSupply light, pH 6.9-7.4 from
tank-CO2, GH=KH=4, them about 75. Nitrates around 10 ppm, adding 1.5t K2SO4
weekly, flourish and flourish iron about 10 ml every 3rd day. It's been up &
running sunce mid-June.
I must be doing something wrong, since all the plants but the Hygro
Corymbosa actually looked better after the blackout than before. But what is
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