05-04-2010, 10:15 PM
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I think as long as you have proper lighting (6500k "daylight" or "cool white" Flourescent, at least 1 watt per gallon) then they'll do okay, if for a little while.
If you're asking whether they need time to adjust, no they don't. Just buy them and put them in the tank.
Might eventually need some kind of fertiliser, but I had my tank running for about 6 months, and it's only now needing a fertiliser. Some crypts will experience "crypt rot" where the leaves fall off, but if you leave the root in place they come back eventually.
Just noticed something- you said you were doing WC's to control nitrates and nitrites- if you have nitrites at ALL (any amount above 0) then your tank isn't properly cycled. Plants will help though i suppose.
Last edited by redchigh; 05-04-2010 at 10:20 PM..