Join Date: Sep 2003
Location: Somerdale, New Jersey USA
Can't imagine a 3 day blackout causing any plants to die. When necessary, I've done blackouts for 4 days(with a water change in between) with no problem whatsoever.
Possibly, the hair grass is more sensitive to a black out, but I wouldn't do anything to or with it, atleast for a few days, and see how it responds to the lighting again.
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