Macbrush 寫:
I have both Echinodorus rose, Echinodorus quadricostatus. Both can suvive a very wide range of light level. From almost none to directly under 2 HQIs, absolutely no problem. If under heavy light, rose will grow to enormous size, leaves over 1.5 m long and quadricostatus will produce a lot of runners, both will produce dark red leaves under strong light.
Macbrush, Echinodorus quadricostatus will produce dark red leave? you means the whole leave in dark red? or just the tips of the leaves? I have this for a few months in the front directly under a 36W PL, and now kept a coupe in a corner only. They grow up to 6"-8" with a lot of runners but their leave remain green all the time, under different lighting condition at my tank, can't imagine they'll produce red leaves, interested to hear more about this.
I have several Echinodorus in my tank too. On top of the quadricostatus, I have rubin, argentinensis, oriental and tenellus, all grow quite well in my setting except oriental which is a lot more demanding on lighting. The rubin was there for about a year, this is one of the first batch of plant I have and is not fairly big, around 20 leaves grow right up to the top (approximately 2ft).
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