Pennywort vs Water Sprite for Floating Plant...

Evanleigh

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Mar 9, 2014
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Trying to decide which would be better for my aquarium with an HOB filter and LED lights. What have been your experiences with these two plants?
 
I have had good luck with water sprite, well, at least more growth than I wanted.

But what LED lights are you using, and what shape/size tank?
 
I have had good luck with water sprite, well, at least more growth than I wanted.

But what LED lights are you using, and what shape/size tank?

It's a standard 29 Gallon and the Lighting unit is by Aqueon. Three tubes approx a little over 2 feet long. Two tubes are white and the tube in the middle is white alternating with red. My calculations may not be exact but I think each tube is 12 watt 6500 k
 
Watts aren't too relevant with LEDs, it's more about the power used which isn't constant based on different types of LED emitter

but sounds like you should be OK, maybe not great, but pennywort on the surface may serve you better
 
Watts aren't too relevant with LEDs, it's more about the power used which isn't constant based on different types of LED emitter

but sounds like you should be OK, maybe not great, but pennywort on the surface may serve you better

I don't know why the manufacturers don't put any kind of information about the LED lights on the package. They show colors and a wave chart but no numbers. Kind of lame. If they did, then I would know. :)

I will try the pennywort. Thanks dougall
 
Pennywort can easily go just as crazy as wisteria, especially when floated. I love floating pennywort though, it's gets such beautiful leaves and it is super easy. Be warned any floaters can starve out plants below pretty quickly so keep them thinned out if you have other plants.

Pennywort on the left side, wisteria on the right.
100_6028.jpg
 
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Well, unlike Jen's pennywort, my sprite is huge in a 75g. Plan on having to trim either regularly. Sprite is a fern so all leaves come from the crown or plantlets formed at the ends of leaves. Pennywort mostly just grows long with some branching. Both can tangle in any stem plants, depends on water movement too

I do agree both are light & ferts hogs
 
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I don't know why the manufacturers don't put any kind of information about the LED lights on the package. They show colors and a wave chart but no numbers. Kind of lame. If they did, then I would know. :)

I will try the pennywort. Thanks dougall

\The important numbers to look for with LEDs is the PAR value, and failing that the number of lumens output. (There are others, but not so easy to find) Watts are only really comparable to the same fixture or the same specific LED emitters used, unlike flourescent/cfl bulbs where the watts is comparable to the amount of light emitted about across the board.

Watts with LEDs is the amount of power consumed by the fixture overall, the amount of light produced will depend on the efficiency of the driver, the type of LED emitters used, and any other things that might use power (like an integrated timer with sunrise and sunset settings)

the colors and wave chart you see will show the spectrum of the bulb/fixture, which is important to how your tank looks but not so much to how stuff will grow; something with a lot of green light will make your plants/green stuff appear bright, but not so much the red or the blue fish.. as a high level example, this really controls how much light can reflect off things of a certain color/colors.

Variable fixtures will let you alter this to get something better for your use, but may still not have as much light created, especially when the different colors could all be increased to the max.. it might not be the color you are looking for and you're not going to get any more light.

lots of higher end manufacturers will give PAR values; lower end / cheaper ones will nto necessarily, but the community may have your back, if you do a google search for the fixture you're looking at, ass the acronym PAR at the end of it and search, after going through a few links, you'll likely find PAR values at certain depths (Likely on the planted tank from experience), this is the information you are looking for, being sure to note if the reading is taken through air or water (koolaid is unlikely...) so you can compare apples to apples; and then go from there.

anything else will be experience if they have that particular fixture, anecdotal if they have read about it, or just guesswork... or they may work/be sponsored by the manufacturer. so it's in your own best interest to get a good consensus by searching around.

Hope that helped a little
 
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Thank you!
 
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