Strange leaves Echinodorus Bleheri

Strange. Are you sure it is Echinodorus Bleheri?? That one leaf on the right looks like an Anubius.

Yeah I'm quite sure, it's not anubias for sure. It's the photo problably, I'll try to make a better photo

Yep, that is an Echinodorus. Never seen that before and I have had swords in my tanks for over 50 years.

It could be severe nutrient deficiencies that are deforming the new leaves.

I have seen deformed leaves (crinkled and misshapen) due to metal toxicity. It happened when I tried to grow my Ludwigia in subsoil. Subsoils do not have enough organic matter to bind and neutralize heavy metals like iron, copper, manganese, zinc, etc.

Possibly, could be a nutrient deficiency but if you've got soil and fishfood, my guess is the plant has plenty of nutrients.

Excess sodium will also cause bizarre symptoms.

Thank you all for your answers. I'm puzzled, because deficiency shouldn't be possible because of the roottabs (and would show on other plants?). Too little organic material, maybe, because I was very careful on the soil so there probably isn't that much. But wouldn't that be compensated by organic waste of plants and fish? And wouldn't is show on other plants?

And sodium, there is not that much in my tapwater so where would that come from? Is there a way to measure it?

In the States, our local waterworks post their water analysis on their websites. I can look up salt content easily. Salt can cause severe nutrient deficiencies. Water softeners can add sodium into the water.

marple said:

Thank you all for your answers. I'm puzzled, because deficiency shouldn't be possible because of the roottabs (and would show on other plants?). Too little organic material, maybe, because I was very careful on the soil so there probably isn't that much. But wouldn't that be compensated by organic waste of plants and fish? And wouldn't is show on other plants?

And sodium, there is not that much in my tapwater so where would that come from? Is there a way to measure it?

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Sodium would probably not be a problem unless you live by the coast and tapwater is contaminated with saltwater or you use a home water softener.
Plants almost surely differ in their susceptibility to heavy metals.
Your response suggests a lack of organic matter in the substrate. Waste from fish and plants would take awhile to migrate into the substrate. Usually, it just sits on the top.
Since your plant isn't dying, I would just sit tight.

The worst kind of sitting

Thanks for the help, I'll just wait and see then. There are worse things than problems that might get solved all by themselves

mistergreen said:

It could be severe nutrient deficiencies that are deforming the new leaves.

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A calcium or magnesium deficiency could cause this. You could test for water for GH (General hardness). The GH test detects both calcium and magnesium. If your water has 3 degrees of hardness or less GH could be the problem. Not all root tab products have calcium or magnesium. Most fertilizer companies under estimate how much of these two nutrients are needed. So many that have calcium and magnesium just don't have enough. Additionally in many places tap water has substantial amounts. So some manufactures of fertilizers don't even add any calcium or magnesium.

Also it is possible for your water to have mostly calcium or mostly magnesium. If so the GH test may not indicate an issue. Another option to trouble shoot this is to get a GH booster at the store. GH boosters have both calcium and magnesium. If you dose the water to increase the GH by gust one degree that would resolve any calcium or magnesium deficiency if it exists.

marple said:

Thank you all for your answers. I'm puzzled, because deficiency shouldn't be possible because of the roottabs (and would show on other plants?). Too little organic material, maybe, because I was very careful on the soil so there probably isn't that much. But wouldn't that be compensated by organic waste of plants and fish? And wouldn't is show on other plants?

And sodium, there is not that much in my tapwater so where would that come from? Is there a way to measure it?

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Not compensated by fish and water column, because it is a very heavy root feeder. I have the same problem with my lemon plant in the garden, but it is parasite-induced. Maybe it is an aquatic analogue? Have you disinfected the plant properly, before it went into the tank. And if so; how?

Kingston said:

Strange. Are you sure it is Echinodorus Bleheri?? That one leaf on the right looks like an Anubius.

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Those leaves and the ones in the second picture definitely look like the submerged form, so no, thisnis not Anubias. It does not mean however, that it is E. Bleheri as such. With so many hybrids out there it is actually getting harder and harder to get the real species. Not only that, but human error in labeling plants is rampant. Combine the two factors and chances of getting a wrong plant go up. I learned that just this last January and had lots of confirmation from folks, who have deep knowledge in the matter. And Swords are probably the most problematic in this aspect.

Fake_Buce777 said:

Not compensated by fish and water column, because it is a very heavy root feeder. I have the same problem with my lemon plant in the garden, but it is parasite-induced. Maybe it is an aquatic analogue? Have you disinfected the plant properly, before it went into the tank. And if so; how?

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No I did not desinfect it, I just rince the plants