Java Ferns

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Aquaman89

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My Java Ferns have black on them! My understanding was that Java Ferns do not require supplements. Is it the aquarium salt that I use? Can someone please explain what is going on?
 

Nickdrummer

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Akili

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Two things come to mind 1,Black spots could be any of several algae. Some dark algae are closer to brown or blue-green, but could look black or almost black 2.Black spots are commonly seen with potassium deficiency, they will not get better, but the new growth will grow without these black spots.
 

DoubleDutch

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Are thet black spots at the underside or upperside of the leaves?
 

leon8889

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If the black spots are on the underside of the leaves then I would wait it out as it may be the start of new plants growing, when it first happened with mine I panicked thinking I was getting black hair algae again but it was the new roots of 'baby' plants growing from the black spots on the leaves
 
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Aquaman89

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Upperside mostly.

Can my water turn brackish even if I don't use marine salt?

I don't think it's algae, because my Amano Shrimp (I have 5) would've/should've taken care of it by now.
 

Et tu

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Over the years I have noticed that java ferns tend to get black spots if the water is hard.
 
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Aquaman89

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Then that's probably it, because I know for a fact that my water is hard-very hard. Should I be worried about it? If so, then how can I fix it and make the water softer?
 

Akili

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Aquaman89 said:
Then that's probably it, because I know for a fact that my water is hard-very hard. Should I be worried about it? If so, then how can I fix it and make the water softer?
There are several ways the best way is RO unit if you can afford it.

 

BDpups

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A pic would be helpful.
 
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Aquaman89

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image.jpg


This pic is much better

image.jpg
 

BDpups

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Looks a bit like BBA. Are you using CO2 or dosing ferts?
 
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Aquaman89

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I was told Java Ferns didn't require any supplements and I read the same thing online, however I was going to look into nutrient tabs when I got paid. I just hope my Javas are still alive by then and that the damage is reversible.
 

BDpups

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I would not add anything for a java fern. How long are the lights on for?
 

PaulieWoz

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Try tying the java fern to driftwood. I've read that they do better when not planted in a substrate.
 
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Aquaman89

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When I do work, the lights are on from 8-10 in the morning until 11:30-12:30 at night. When I don't work, the lights are on from 8-10 in the morning until 10 PM.

What is BBA?
 
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Coradee

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BBA is black beard or black brush algae
 
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How can I get rid of it?
 

Bluestreakfl

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Is there any reason you're using salt or is your tank intentionally brackish? Aquarium salt often causes more harm than good, it's generally only useful in very select and specific situations. Most freshwater plants don't do so well with it present.


 
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