I have the same complaint with the stuff. For what it's worth, when I grew it in the sump of a 20g I had going, I had the lights basically 3" off the water surface, and THEN it grew quickly. Right now I have it under a plant grow light and it's pretty much non-growing whatsoever.
So I think it's a case of it wants fairly bright light to kick it into gear. I'm going to put it in the sump and then hang a 150W halide over top of it to see if that will make a difference.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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