Pls Help Me Identify... - The Planted Tank Forum
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post #1 of 3 (permalink) Old 06-17-2019, 09:21 PM Thread Starter
Algae Grower
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Pls Help Me Identify...

I don't know if something is missing or not.

In the two pictures with the rotala macrantra I have some green spots (like stamps) on few leaves.

Also in my Ludwigia red I see one leaf with this green spot. Also my new leaves are growing smaller but only this plant has this issue.
At the bottme of leaves of my Ludwigia I see some leaves with yellow small areas and brown spots.

At the last photo I trimmed two stems of my Ludwigia and I replanted them. The upper leaves show something like magnesium deficiency

All the other plants in the aquarium doesn't show any signs of deficiency.
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post #2 of 3 (permalink) Old 06-17-2019, 10:02 PM
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What are you dosing and how much? Do you inject co2? What are your water parameters?

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post #3 of 3 (permalink) Old 06-19-2019, 10:20 AM Thread Starter
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I'm dosing KNO3, K2SO4, MgSO4, KH2PO4 and CSM+B.
NO3= 7.5 ppm from KNO3 and 7.5 from the water change. So 15 ppm
K= 10 ppm from the three fertilizers
PO4= 3.5
Mg= 4 ppm I don't know how many I have in my tap water.
Fe = 0.25 ppm
KH = 3.5
GH = 8

water change 50% once a week.

I did many tests to check my parameters.
NO3 the lowest during the week was 10 ppm
PO4 the lowest 0.3 ppm
K the lowest 20 ppm ( I don't know what's going on here)
Fe the lowest 0.05 ppm

I wait e test kit so i can test Ca and Mg.
with jbl I test Mg but I can't find out the amount of Mg I have.

I inject CO2 and I think it's more than enough. Spend a year and made many changes to achieve a good target.

Last edited by Darkblade48; 06-19-2019 at 11:36 PM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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