Aquarium plant deficiency - Page 3 - Tropical Fish Keeping - Aquarium fish care and resources
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post #21 of 27 Old 04-18-2014, 10:53 PM
low nitrates ?
Azolla ? (safer than cyanobacteria)

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post #22 of 27 Old 04-18-2014, 10:55 PM
actually that second chart i like.

it lists more nutrient deficiency symptoms than i have seen otherwise

from that it looks like sulfur deficiency
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post #23 of 27 Old 04-18-2014, 11:04 PM
sulfur is really uncommon to cause problems. Start with light intensity and the macro fertilizers.

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post #24 of 27 Old 04-18-2014, 11:07 PM
going through it sulfur is where i end up,
starting at sulfur and going backwards visually it describes exactly
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post #25 of 27 Old 04-18-2014, 11:27 PM
light intensity, ...

too much light highlighting problems, or to little light ?
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post #26 of 27 Old 04-19-2014, 12:04 AM
one or the other, usually low light I would say but IDK what your light levels are.

charts are guidelines, you can go by the chart if you want. I'm just saying what i know, sulfur is a trace nutrient and is very common in tap water and other sources its less likely to be the cause then say magnesium which is a much more common deficiency. And I disagree with the chart on it effecting old growth.

you should have a nitrate test kit and its fairly easy to rule out nitrate.

it is really shooting in the dark to offer advice here, unless you have like a autobiography of your tank to look at. Local water report, tank age, substrate, lighting, nutrients added, water changed, whatever tank parameters you know, stocking, plant species, ect. Looking at symptoms is a start but best not to rely on that alone.

.... I'm probably drunk.

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post #27 of 27 Old 04-19-2014, 12:13 AM
yes, little slow on that realization (nitrates)
yes, i need to get that test kit ASAP


what i'm seeing in my tank suggests sulfur deficiency
i'm hesitant to jump on this answer as i fear i'm convincing myself

from descriptions i've seen yellowing of leaf & veins, no wilting or twisting in leaves.

it's not a sudden thing, i've been seeing the tank get worse and worse over the last year :(
-no water changes so tap water introducing additional sulfur is zero

as i am so concerned, i worry i may be convincing myself "i found it"


going to inquire on other searches to try to familiarize myself with various nutrient deficiencies better

your right each plant in the tank is different, some are yellowing, some very, some enough to notice
others because of their nature seem otherwise unaffected.
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