Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Green plant GROWING brown leaves. (http://www.tropicalfishkeeping.com/beginner-planted-aquarium/green-plant-growing-brown-leaves-46043/)

MustardGas 06-27-2010 01:40 AM

Green plant GROWING brown leaves.
 
I'll have to add a picture tomorrow, but I'm totally confused.
I bought a new plant the other day, and all of the leaves were totally dark green. From the middle though, it's starting to sprout large brown leaves. If they were dead/dying, they wouldn't be increasing in size and my snails are sure to have eaten them by now if not make at least a hole in them.

Does anyone have any insight on what can cause this? Too much/little fertilizer?
I dose Flourish SeaChem liquid 1x/week. I'll see if I can dig the camera up tonight and if not, definitely tomorrow. Also, I can't find a link or anything anywhere, but I have one regular incandesent and a small Life-Glo. It's the type that twists in like a regular light bulb, but I've forgotten how many watts, etc.

Austin 06-27-2010 02:24 AM

Well, I have a red melon sword and the leaves when they start growing are a really dark redish/brownish color but as they grow out they turn more a greenish red/brown.

You can see here and here.

Red leaves (if yours are just a really red dark brown color), come from high iron, high nutrients, and light I believe. But this is a good sign!

Maybe lowering nutrients/light would help make it become a greener color. Lots of plants are red under high light+nutrients but green under low light.

I think the fertilizer and light is probably fine though I don't think that's causing the "problem" (not really a problem).

But yup! That's all the info I know not sure if that helps you. I'd also let the leaf grow out and see how it looks because like my red melon sword it might lighten up.

Byron 06-27-2010 11:54 AM

It is probably perfectly natural, but the photo(s) will confirm. New leaves on many plants are seldom green; all Echinodorus (sword) species sprout brownish leaves, and they darken to green as they develop. E. bleherae, E. macrophyllus do this, E. tenellus start out rather white. We'll know when we see the photo if there is a problem, but I suspect not.

redchigh 06-27-2010 01:51 PM

I would probably replace that incandescent bulb with a CFL...

I had plants in one of my tanks turn brown because the temperature was too high (about 92 degrees!).
The plants kept growing, but the growth was slow and brown.

Incandescents make a lot of heat, so maybe it's something to consider?

Byron 06-27-2010 04:03 PM

Thanks redchigh, I'd missed the light issue completely.:doh!:

MustardGas, are they compact fluorescent bulbs? The Life-Glo sounds like it would be. I agree with redchigh, regular ordinary incandescent bulbs generate too much heat and poor light, but the CF bulbs are very good. Something around 6500K (like the Life-Glo will be).

Byron.

MustardGas 06-27-2010 10:08 PM

Thanks everyone!

Byron, you're totally right! They're definitely turning green, and growing so fast! I've only had them for maybe a week, and those two leaves didn't start sprouting until maybe 5 days ago.

I plan to get another Life-Glo, the incandescent is way to pathetic.

One question though.. can a Java Fern have too much light? If I put another bulb in, it won't hurt it, will it?

Here's the pictures:

June 24th:
http://i82.photobucket.com/albums/j2...s/IMG_3014.jpg

June 26th:
http://i82.photobucket.com/albums/j2...s/IMG_3046.jpg

RIGHT now:
http://i82.photobucket.com/albums/j2...s/IMG_3048.jpg

Oh and here's the light:

http://www.petsandponds.com/en/aquar...p16873834.html

Austin 06-28-2010 12:22 AM

I believe java ferns CAN get too much light and die... not sure if 30 watts would be too much, though....

Byron 06-28-2010 12:48 PM

That bulb is good; I use the Life-Glo 2 fluorescent tubes on single tube tanks, very good light for plants and true colour rendition of plants and fish. I can't remember seeing the screw-in CF version, maybe just didn't notice it, but will look for it as I intend getting an incandescent fixture for my 20g rather than go with fluorescent over such a small tank.

Yes, that plant is fine. It is a sword, I think probably Echinodorus portoalegrensis or perhaps one of the cultivars from that species. Just noticed you're in BC...may I ask if you got this plant locally from a fish store, and if so, where?

Java Fern will adapt as long as the light is not too intense. You don't say what size tank this is, so can't surmise much beyond that.

Byron.

MustardGas 06-28-2010 01:21 PM

The bulb I got from Petland Superstore right on Fraser highway on the Surrey-Langley border. I think it was $20.

I got the plant from PetSmart in Langley (locally). I work there and we always get shipments on Wednesdays of a few assorted potted plants. I love seeing what we get in.

My tank's only a 10 gallon with two bettas (divided) and some snails, shrimps, and otos. I'm thinking two Life-Glos would be too much in such a small tank. I have a Marina Stealth Pro heater keeping the tank a steady 80 so the incandescent isn't doing a lot of heat damage.

Thanks for all your help everyone!
Posted via Mobile Device

Byron 06-28-2010 01:28 PM

Quote:

Originally Posted by MustardGas (Post 413853)
The bulb I got from Petland Superstore right on Fraser highway on the Surrey-Langley border. I think it was $20.

I got the plant from PetSmart in Langley (locally). I work there and we always get shipments on Wednesdays of a few assorted potted plants. I love seeing what we get in.

My tank's only a 10 gallon with two bettas (divided) and some snails, shrimps, and otos. I'm thinking two Life-Glos would be too much in such a small tank. I have a Marina Stealth Pro heater keeping the tank a steady 80 so the incandescent isn't doing a lot of heat damage.

Thanks for all your help everyone!
Posted via Mobile Device

I'm actually in Pitt Meadows, and there is a Petland just across the Pitt River in PoCo, I'll look for that bulb next time I'm in there.

Yes, over a 10g two bulbs might be pushing things. Try them, and see how the plants respond and if algae increases, a sign of too much light beyond what the plants can use in balance with the nutrients. One bulb can always be removed.


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