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- - Lilaeopsis Brasiliensis (Micro Sword)? (http://www.tropicalfishkeeping.com/beginner-planted-aquarium/lilaeopsis-brasiliensis-micro-sword-71368/)
Lilaeopsis Brasiliensis (Micro Sword)?
I know it prefers rich substrate and Bright light, But, Can this plant survive in Low light (1.5 wpg), with no Co2?
First off, watts per gallon is only relatively useful with T8 full spectrum/daylight tubes over average-sized tanks. T5 HO lighting is a very different story, and incandescent CF bulbs are different again. Also, terms like low light and moderate light plants are very subjective. I used these terms in our plant profiles as a guide, but you will not find complete agreement from planted tank authors on their meaning, or on which plants fall under the specific term.
I have less than 1 wpg on all my "average" tanks with fluorescent T8 tubes and I consider this moderate light. And this is adequate for Lilaeopsis brasiliensis. This is a slow growing plant even under bright light/CO2, so don't expect fast growth.
1 WPG is pretty low Bryon, how do you consider that Moderate light? That's more in the low's if you asked me.
I said there is not agreement on these terms:-). There are still many authors who write that you cannot have successful plant growth with less than 2-3 wpg. That is nonsense. I've been doing this for more than 20 years, and the photos of my tanks are proof that this does work. One simply has to balance it. I still get algae, and that means too much light, so I reduce the light period to restore the balance. And when you add to the equation that one tube of 32w and another make of 40w produce the same intensity of light, this wpg things flies out the window anyway.
I can grow low and moderate light plants well. Echinodorus species are all deemed moderate to bright by most authors, and I have no problem at all growing these; they send out runners and inflorescences regularly, I am throwing out plants all the time onto the compost. If moderate-light plants grow so well under my light, I must have moderate light:lol:.
Over my 115g tank, if i were to attempt 2 watts per gallon, I would need more than 7 48-inch tubes using the ZooMed 32w tubes. That is simply ludicrous. I only have two tubes now, and it is bright (to me and the fish).
Yea, hard to argue with that seeing that you have the living proof right before us :)
So what you're saying is my Micro Sword should do fine?
My substrate is nothing more than sand, I lowered the outflow to my filter and removed the 2nd one and airstone.
mine grows under low spectrum LED lights and diffused natural light. Its a very slow growing plant so dont expect it to carpet for a long time. Its very hardy though, so you dont really have to worry about light as much.
Also how could you anchor a small bunched plant like that? The sand is such a fine substrate that plants easily get unrooted in my tank..
For me, in one tank, my older one, i planted and then replanted everytime it came up. For my betta tank, i have the plant separated into long strands with one end deeply planted and the other end at the surface. The surface ones eventualyl grew roots deep enough to anchor it and the deeply buried part rotted and died. But at least now my plant is anchored... My 1g has it planted where the rhizome is weighed down by larger heavier gravel but it was a pain in the behind to set up, had to put down each gravel on its own to weight the plant down.
S-L-O-W growth is the operative word. If the light's too bright and planting too dense without CO2, you'll get an (algae?) coating on the microswords. They grow fine in shady areas of my tank, getting taller there than the more brightly-lit areas.
My tank: 55 gallon, one T5HO plant tube @ 7hrs/day, Flourish comprehensive 2x/week, Excel dosing daily.
i grow some in a jar emersed and its slow there too, been over a couple months and still hasnt carpeted the entire jar and its only 3 inches in diameter. No CO2 restriction, direct light, soil substrate. Same growth speeds as anubias plants.
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