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Thread: Java ferns turning brown and seems like dying

  1. #1
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    Java ferns turning brown and seems like dying

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    Hi. I have a 1 gallon tank with marimo balls, java ferns and java moss and 1 betta. My java ferns leafs are turning brown and looks dead within a few weeks. I have trimmed off the brown leafs and now the plan looks bald.

    I have purchased a dennerle scaper's green and been dosing on daily basis for few days but did not see any significant improvement. I have stopped the bio foam filter as I suspect that the air pump might have difused the co2.

    Have been testing the water and the parameters are:

    PH 6.4
    Ammonia 1 to 3
    Nitrate and nitrite
    Temp hovering ard 28 to 30°
    Attached Images Attached Images

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    Re: Java ferns turning brown and seems like dying

    Ph is a bit low. How about your kh?


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    Re: Java ferns turning brown and seems like dying

    Quote Originally Posted by hirowen View Post
    Ph is a bit low. How about your kh?


    Sent from my iPhone using Tapatalk
    Just tested the tank water. The green on the java ferns as shown in yesterday pic was gone today. The leafs has totally become brown. Not sure if the plan had died or not.

    Temp: 29.2°c
    Nitrate: ~0.5mg/l
    Nitrite: ~10mg/l
    GH: ~5°d
    KH: ~3-4°d
    PH: ~6.8

    Going to do a 25% water change later.

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  4. #4
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    Re: Java ferns turning brown and seems like dying

    Too much water changes not enuff nutrients?


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    Re: Java ferns turning brown and seems like dying

    Ph too low. Need to raise up to 6.6-6.8

    Take a close look for any green leafs. If no, then u can discard the whole plant. Your moss is also dying.


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  6. #6
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    Re: Java ferns turning brown and seems like dying

    I tot Java Fern can survive 3-8 dKH and a pH of 6.0 to 7.5

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    Re: Java ferns turning brown and seems like dying

    Before we jump into more conclusions, how do you measure your water ph level? Calibrated ph meter? Ph solutions or ph test strip?


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    Re: Java ferns turning brown and seems like dying

    I am using the JBL EasyTest 6 in 1

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    Re: Java ferns turning brown and seems like dying

    Well its good to know the rough gauge, but test strip are not accurate compared to ph test pen or water test kit.

    I would suggest u borrow from your friend or purchase a proper test kit. Hence, your ph reading could be +/- for now.

    Do note on the expiry dates. U can also take a look if your fern has any rotting rhizomes. Damaged rhizomes could lower the ph level and create ammonia spike


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    Re: Java ferns turning brown and seems like dying

    Anyway went home today and saw my betta already dead. The ferns also all brown. Throw away all the plants except the marimo balls and clean up the tank.

    Buying a PH and TDS tester. Hope in future I can do a better job.

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    Re: Java ferns turning brown and seems like dying

    I also wonder why the ferns turn brown.. I suspect is water temperature..

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    Re: Java ferns turning brown and seems like dying

    why temp so high? u got light on?

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    Re: Java ferns turning brown and seems like dying

    Quote Originally Posted by x353791 View Post
    why temp so high? u got light on?
    Have light. 1.5w led light. I have tried with and without light and the temp is the same.

    I also feel that it is very hard to buffer the PH and KH level

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    Re: Java ferns turning brown and seems like dying

    Definitely not easy to buffer. After u put your plants and filter then water volume will be less than a gallon.


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    Re: Java ferns turning brown and seems like dying

    My sand substrate is those will not affect water parameter and no nutrient type.

    Will try to replant the tank. Now my tank only have marimo balls. Reading up on how to get things right for the next setup.

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    Re: Java ferns turning brown and seems like dying

    From the pictures posted it looks like the java ferns are attached to a wood slab that could have been meant for carpentry work and not driftwood. Such woods are usually chemically treated and the chemicals will leach out to the water killing both livestocks and plants. I once bought java ferns attached to such wood and it wiped out my entire tank of tiger endlers overnight.

  17. #17
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    Re: Java ferns turning brown and seems like dying

    Quote Originally Posted by GnehenG View Post
    Have light. 1.5w led light. I have tried with and without light and the temp is the same.

    I also feel that it is very hard to buffer the PH and KH level

    Sent from my SM-N920I using Tapatalk
    What do mean 1.5w led? 15wat is it? what kind of ligt are you using? java ferns and moss are very easy plant to grow,what else did you put or dose in your tank?

  18. #18
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    Re: Java ferns turning brown and seems like dying

    Went to a fish store and the uncle was friendly. He told me that the plant I choose shld be able to survive with normal temperature.

    Hope my new tank setup will do fine until the betta or shrimp or dwarf crayfish come in. 😁

    Most probably will just get 5 crystal red shrimps as the tank look really small for the betta to swim around.

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  19. #19
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    Re: Java ferns turning brown and seems like dying

    The colour of the Marimo moss balls don't look too good either. Maybe stop dosing for now and checking the water parameters of your tap water give useful info.

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