Alternanthera has some problems... - Page 4 - Fertilizing - Aquatic Plant Central

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Old 05-30-2005, 02:51 PM   #31 (permalink)
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That's very interesting. I actually ended up throwing this plant out because I kept having this issue.

But I use CSM+B. The B is Boron. Maybe there isn't enough in the mix?
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Old 05-31-2005, 12:17 AM   #32 (permalink)
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Quote:
Originally Posted by Laith
That's very interesting. I actually ended up throwing this plant out because I kept having this issue.

But I use CSM+B. The B is Boron. Maybe there isn't enough in the mix?
Maybe.
This evening, at home, I will post the complete list of macro and micro concentration that I use, including B supplement, in order to make a comparison with your situation.

I use a micro-elements mix available on Italian market quite similar to CSM+B and I suppose that the B is enough for all other plants because all plants look O.K.
I recognize that only some A., non all in my case, for a mysterious reason need B overdosing.

Regards
Giuseppe
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Old 05-31-2005, 12:07 PM   #33 (permalink)
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Quote:
Originally Posted by Josef
Maybe.
This evening, at home, I will post the complete list of macro and micro concentration that I use, including B supplement, in order to make a comparison with your situation.

I use a micro-elements mix available on Italian market quite similar to CSM+B and I suppose that the B is enough for all other plants because all plants look O.K.
I recognize that only some A., non all in my case, for a mysterious reason need B overdosing.

Regards
Giuseppe
My water after weekly 50% W.C. with single fert dosage per week:

250L (=66gal); 24C; 8dkH; 10dGH; 6.9pH; 25000lux; 360uS; moderate fish load.

Macro ppm
K 17.3
NO3 12.3
PO4 1.4
SO4 11.0

Micro ppm
B 0.012
Co 0.000
Cu 0.015
Fe 0.400
Mg 0.090
Mn 0.040
Mo 0.001
Zn 0.015

Sometime I dose ferts twice per week.

Remark: H3BO3 includes 18% of Boron (B)

Regards
Giuseppe
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Old 05-31-2005, 12:42 PM   #34 (permalink)
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Ok here are some photos of the plants with problems.
I can assure you that all are in excess (I am using professional colorimeter for Fe NO3 PO4 plus a turbidometer for K). I have added Boron myself in addition to the boron included in Flourish which I add as-well. Still alternathera "melts" away. By the way before I started the excess regime the alternathera was 90% ok. All the other plants are ok but alternatheras (3 species) some newly introduced long leave stelata and the aromatica. Could it be some toxicity thing?
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Old 05-31-2005, 03:19 PM   #35 (permalink)
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There may be multiple issues we're seeing here with the Alternathera. My problems look like the pic that Overfloater posted. The pics that Freeman posts here are not the same, imo. Maybe you should back off on some of the excesses? It's tough to establish a cause/effect when too many things change too quickly. The proper way to do this kind of testing is under controlled conditions which very few of us are willing to do with their prized tanks.
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Old 06-07-2005, 11:15 AM   #36 (permalink)
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Default same problem

Im having the same problem on the leaves of my ammania g. They are getting gnarly, developing holes and falling off. I am dosing flourish 10ml 3x a week. 2ppm phosphate 3x week, 8ppm kno3 3x a week, 3 grams MAg Sulfate, 3 grams cacl2, 20ppm K2so4 all weekly, and flourish excel daily. I keep over 30ppm of co2 with over 3.5wpg of PC light in Eco complete substrate. This is kind of bafling me. My temp is 75-78 but it did shoot up to 80 twice this week. Any ideas??
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Old 10-10-2005, 12:20 AM   #37 (permalink)
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Good morning,

have you managed to solve this problem?
It would help a lot if you could tell about what the situation is right now, and what you have done since the problem occured

Thanks
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Old 10-10-2005, 02:56 AM   #38 (permalink)
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I never did figure this problem out. I ended up removing the plant unfortunately.
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Old 10-13-2005, 11:06 PM   #39 (permalink)
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My alternanthera finally looks much better after adding a lot of epsom salt: 2 Tablespoons after each 60% water change in 100 gallon.
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