Problems with Java Fern - The Planted Tank Forum
 
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post #1 of 13 (permalink) Old 05-23-2011, 08:09 PM Thread Starter
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Problems with Java Fern

Tank parameters are as follows:

10 Gallon Heavily Planted Tank
pH: 6.6-6.9
KH: 4
GH: 8
CO2 ~ 25-30 PPM
Nitrates: 15-20 PPM
Phosphate: 1-2 PPM

I have been having difficulties growing Java Fern for quite some time now. In the beginning when I first started this tank (~2 yrs ago) it was the only plant that was flourishing. Now when just about everything else is doing really great it decides to act up . What I have been noticing is severe holing in just about every leaf (new growth and old). The holes seem to eat away at the leaf in various places (edges and center). In new growth the leaves become deformed (not curled, just holes). Sometimes the leaves themselves look whitish, as if the green color was bleached away.

At the beginning I thought that it was lacking in Nitrates or some other Macro nutrient due to the severe condition. And sure enough upped the Nitrates from ~5 PPM to 15 PPM and everything bounced back to normal....or so I thought. The next few weeks the problems came again, so I decided that this time it might be an imbalance with Phosphate and so I upped the Phosphate (utilized Fleet, although I got the Sodium Phophate one) but got no positive results. Another thing to note is that there is virtually no Algae in the tank, however the only one that does not seem to give up is a very resistant string type algae.

And now I am pretty much lost jeje. Any advice will help me immensely. Thanks in advance.
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post #2 of 13 (permalink) Old 05-23-2011, 10:37 PM
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I don't have very much success with the Java ferns either. They are growing but the leaves started getting what looks like chemical burns on the tips of the leaves or like what spinach looks like when blanched. They have not browned but still look odd.
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post #3 of 13 (permalink) Old 05-23-2011, 10:41 PM
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I don't have very much success with the Java ferns either. They are growing but the leaves started getting what looks like chemical burns on the tips of the leaves or like what spinach looks like when blanched. They have not browned but still look odd.
Not much help from me,but I believe this is how "growing" leafs look. I think your leafs looking like that might be a good thing. Idk about the holes though.


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post #4 of 13 (permalink) Old 05-24-2011, 12:00 AM
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possibly potassium...Are you dosing EI? And how much light do you have?


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post #5 of 13 (permalink) Old 05-24-2011, 12:04 AM
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Not much help from me,but I believe this is how "growing" leafs look. I think your leafs looking like that might be a good thing. Idk about the holes though.
Pumpkinhead is right. The leafs are 'growing'.
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post #6 of 13 (permalink) Old 05-24-2011, 12:17 AM
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Pumpkinhead is right. The leafs are 'growing'.

Most definitely not. If he has holes in new and old leaves, that's a deficiency... not 'growing'


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post #7 of 13 (permalink) Old 05-24-2011, 12:39 AM
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Were talkin about two different people/plants. Read over from the beginning.
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Most definitely not. If he has holes in new and old leaves, that's a deficiency... not 'growing'


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post #8 of 13 (permalink) Old 05-24-2011, 12:56 AM
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Were talkin about two different people/plants. Read over from the beginning.

The OP's problem was with holes in leaves..


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post #9 of 13 (permalink) Old 05-24-2011, 01:19 AM
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java ferns like low tech low light tanks. The most beautiful, greenest, biggest, lushest java fern I have ever seen is in a neglected 20 gallon at school. It has a 5 watt flourescent, no water changes, no ferts. It literally takes up the entire tank with huge daughter plants on the end of every leaf, I thought it was a giant silk plant at first. In my high tech, hi light, EI Ferted tank my java ferns look OK but not great, they need alot of potassium and phosphorous to look good with high light. I put them in my low tech betta 10 gallon with a 15 watt T8, no ferts, they green right up and start growing faster.
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post #10 of 13 (permalink) Old 05-24-2011, 04:56 AM
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Maybe that's the issue with mine looking wierd. Hig tech with high light, and just started dosing with the macros, (im new and didn't do so good at ferts early on). All of my plants have really made improvements lately but the javas still look sickly. This is a learn as you go hobby, but has really given me some great enjoyment.
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post #11 of 13 (permalink) Old 05-24-2011, 03:37 PM Thread Starter
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Thanks for the replies. I have a 36W PL with excellent reflectors, making my tank medium-light (10-Gal considered small?)...and yes I agree with lipadj46, I will up the Phosphorus a bit more and try to maintain it in balance. I don't think it is a Potassium deficiency given that I dose Equilibrium (which contains a lot of Potassium) to establish GH. Alright, I will make some adjustments and I will keep you guys posted.
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post #12 of 13 (permalink) Old 05-24-2011, 03:44 PM
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Quote:
Originally Posted by lipadj46 View Post
java ferns like low tech low light tanks. The most beautiful, greenest, biggest, lushest java fern I have ever seen is in a neglected 20 gallon at school. It has a 5 watt flourescent, no water changes, no ferts. It literally takes up the entire tank with huge daughter plants on the end of every leaf, I thought it was a giant silk plant at first. In my high tech, hi light, EI Ferted tank my java ferns look OK but not great, they need alot of potassium and phosphorous to look good with high light. I put them in my low tech betta 10 gallon with a 15 watt T8, no ferts, they green right up and start growing faster.
That is really not true. Java Ferns like most other aquatic plants will grow faster, fuller under high light and co2. They are low-light simply because they will live in low light.
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post #13 of 13 (permalink) Old 05-24-2011, 04:32 PM
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That is really not true. Java Ferns like most other aquatic plants will grow faster, fuller under high light and co2. They are low-light simply because they will live in low light.

Here's a pic of a scape I had a couple of years ago with some java's using 2X54 T5HO sitting right on the edge of the tank.


Here a scape by Kim Pulkki using 6x54 T5HO.
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