I use Excel nightly except before a morning water change. Flourish 2x a week, and Flourish tabs in the gravel. About 10 - 12 hours of light from 4 5000k CFL bulbs (thinking about switching to two 6500K). My Amazons seem to have reached a capped size. The ones on the left of the pic are full but haven't grown taller in months. They are about half the size of the one on the right which is getting wider, but no longer taller. Am I missing something that could help them blossom more or should I just stop worrying about it? I think I read Amazons grow wide with more light and narrow with less light but I can't find where I read that.
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