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Old 02-25-2018, 06:25 AM   #1
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Plant deficiency

Hi Guys,

Any ideas wha could be causing some of the leaves on my sword to look like this?

I dose with macro and micro daily and use root tabs for my bottom feeders.

Parameters:
50% water change every week
Temp: 79F / 26C
PH: 6.75
CO2 pressurized injection: 25-30 ppm
NH4: 0 ppm
NO2: 0 ppm
NO3: 5-10 ppm
PO4: 3 ppm
Fe: 0.1 ppm
K: 20 ppm
KH: 6 dKH
GH: 8 dGH

NO3 and Fe is on the low side, I guess?

Thanks!
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Old 02-25-2018, 10:52 AM   #2
ZxC
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Quote:
Originally Posted by boyen View Post
Hi Guys,

Any ideas wha could be causing some of the leaves on my sword to look like this?

I dose with macro and micro daily and use root tabs for my bottom feeders.

Parameters:
50% water change every week
Temp: 79F / 26C
PH: 6.75
CO2 pressurized injection: 25-30 ppm
NH4: 0 ppm
NO2: 0 ppm
NO3: 5-10 ppm
PO4: 3 ppm
Fe: 0.1 ppm
K: 20 ppm
KH: 6 dKH
GH: 8 dGH

NO3 and Fe is on the low side, I guess?

Thanks!
Do you have a pic of the whole plant? That leaf looks like emmersed growth.... So it will die back regardless.
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Old 02-25-2018, 10:58 AM   #3
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Thanks!

The plant is fully submersed. The leaf has been like that for a while and doesnít look to be dying. All new leaves have a reddish look but normally turn green when fully developed.

Full picture attached. Itís a large plant so a little difficult to get a good picture.
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Old 02-25-2018, 12:51 PM   #4
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Just trim off the bad looking leaf, likely a macro deficiency. How often do you use tabs?
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Old 02-25-2018, 05:09 PM   #5
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Just trim off the bad looking leaf, likely a macro deficiency. How often do you use tabs?
I use tabs approx. every 4-6 months.
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