Buce turning yellow and monte carlo looks sad, what to do? - The Planted Tank Forum
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post #1 of 8 (permalink) Old 10-21-2020, 02:45 PM Thread Starter
rom
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Buce turning yellow and monte carlo looks sad, what to do?

Hey, new to planted tanks here. I think there's some deficiency going on in my tank, Anyone could help me ID it that would be great.

What's wrong:
bucephalandra: I've had it for a month or so and some of the leaves are turning yellow, especially new ones. the leaves look veiny, yellower on the edges
monte carlo: bought at the same time as the buce. Has grown a lot of new roots but not really any leaves, and new shoots look very small, and pale. Some new shoots seem to trail down rather than grow up.
Java fern: Growing large leaves very fast, but they are pale yellow/green.


Other plants:
Crypt wendtii: Growing well, bronze undersides
hydrocotyle tripartita: growing well and fast, a bright lime green, looks good
Bacopa Carolina: Grows fast and looks healthy, huge leaves, tops have turned orange.

Java moss: Dark green, growing slowly but steadily.

Dwarf Water lettuce: Pale blue-green colour. Grows fast. Does not cover the majority of the tank, light gets to immersed plants directly.
Growing a pothos and parlour palm hydroponically out of the tank.


Algae:
I get a really soft, velvety hair algae sometimes, that grows in short carpets on the glass, rocks and unhealthy leaves. It's eaten by my snails, Its always around in small mounts.
I get green spot algae on the glass, in a light dusting.
I got cladophora grows extremely fast if left alone. I overdose liquid carbon to keep it under control, and it works for the most part.
Overall the algae situation is good, you can't see much.



Tank:
30L cube

2 years old
Filter:
2.3L Canister filter w/ bio-rings. High flow

Stocking:

3 amano shrimp, 5 CPDs, 3 otos, 1 Nerite, Many MTS


water parameters
NO3:25
NO2:0
GH:8
KH:15
PH:8
My local water water hardness from the gov website says +200 mg/l as calcium carbonate


Ferts:
Passive CO2
One pump (probs 5ml) of generic micro ferts a week
Overdosing excel (5ml or more a day)

Lighting: chihrios C-series on full power. Bout 8 hours a day

Last edited by rom; 10-21-2020 at 03:12 PM. Reason: extra info
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post #2 of 8 (permalink) Old 10-21-2020, 03:20 PM Thread Starter
rom
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post #3 of 8 (permalink) Old 10-21-2020, 03:49 PM
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Hmm, you say alot of your plants grow fast. And you have Pothos growing hydroponically. I wonder if your nitrate reading is correct?

Could be as 5 CPD and 3 otis seems a bit high for a 30 liter tank to me.

If you take your nitrate reading as good then maybe look into phosphorus additions. Potassium too but I'd start with phosphorus.

Not an all in one macro Fert since it will have nitrates. Seachem product line would be good for this.

Perhaps the lack of those macro nutrients are suppressing the uptake of iron that should be coming from your micro dosing. If you still experience issues maybe look into a little more iron.

And then there's magnesium. I know your Gh is high. Does your water municipality give an Mg reading?

Your tank sounds pretty cool, any pics?

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post #4 of 8 (permalink) Old 10-21-2020, 04:39 PM Thread Starter
rom
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Originally Posted by pauld738 View Post
Hmm, you say alot of your plants grow fast. And you have Pothos growing hydroponically. I wonder if your nitrate reading is correct?

Could be as 5 CPD and 3 otis seems a bit high for a 30 liter tank to me.

If you take your nitrate reading as good then maybe look into phosphorus additions. Potassium too but I'd start with phosphorus.

Not an all in one macro Fert since it will have nitrates. Seachem product line would be good for this.

Perhaps the lack of those macro nutrients are suppressing the uptake of iron that should be coming from your micro dosing. If you still experience issues maybe look into a little more iron.

And then there's magnesium. I know your Gh is high. Does your water municipality give an Mg reading?

Your tank sounds pretty cool, any pics?

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I found a magnesium reading i think?


My tank is a bit of a mess at at the moment but here are some quick pictures anyway


When i get all the plants growing well, I'll upload some real nice photos
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post #5 of 8 (permalink) Old 10-21-2020, 04:59 PM
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Your Buce could have been grown emersed and is making the transition to submerged life. Old leaves tend to perish during this time.
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Nothing good happens fast in an ecosystem.
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post #6 of 8 (permalink) Old 10-21-2020, 05:08 PM Thread Starter
rom
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Originally Posted by Blue Ridge Reef View Post
Your Buce could have been grown emersed and is making the transition to submerged life. Old leaves tend to perish during this time.
ohh i didn't think of that, do you think this explains the monte carlo too? Not sure about the javafern though, i've had it for a long time now
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post #7 of 8 (permalink) Old 10-22-2020, 04:28 AM
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Awesome looking tank!

Could be transition. That's always an issue.

If I read that report correctly, and that is a big if (lol!), your Mg is very low compared to your Ca levels which I'm guessing comprise the vast majority of your Gh reading.

Maybe part of it is that Ca:Mg imbalance? Since you are dosing excel? Ideally that ratio should be closer to 2:1 Ca:Mg, maybe 3:1 but not 20's:1 (did I read that correctly?).

Something to think about. I don't know if I would dose Mg, maybe in small quantities, as your Gh is already high enough and any Mg addition will just push that up farther.

Maybe look into potassium first? There are test kits for that. And then you would know for sure.

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post #8 of 8 (permalink) Old 10-22-2020, 04:45 AM
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My ferns and crypts started yellowing and melting shortly after I added Pothos. I already had some fast growing stems and another houseplant dangling. I have reason to believe that I was not leaving enough nutrients for the aquatic plants in my effort to starve the algae. I pulled the Pothos and increased my Thrive ferts.

We shall see...
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