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Here's some L. 'cuba' I purchased at a LFS on 6/5. Why is the new growth developing such wide leaves? The stems are and have been (so far as I know) grown submersed.
This is in my 40 gal tank:
192W PC (1 10000K and 1 8800K bulb)
pH = 6.8
kh = 6.5
gh = 19
NO3 = 5ppm
PO4 = .5ppm
Flourish dosed .5ml/day
K2SO4 dosed 5ppm 2-3 times a week
Thanks.
Bill