What algae is this? - The Planted Tank Forum
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post #1 of 59 (permalink) Old 11-10-2016, 09:50 PM Thread Starter
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Question What algae is this?

Hello you all!

What Algae is this? This algae is killing all my plants slow lee.

Nitarte: 25
Phosphate: 1.5
Co2: 25
42gal

An UV filter will help me?

plase help me with this?
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post #2 of 59 (permalink) Old 11-11-2016, 01:20 AM
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Looks like GSA in the first pic. Wats ur lighting like.. power and duration. Can u post some more pics.. is there any hair like algae too?

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post #3 of 59 (permalink) Old 11-11-2016, 11:20 AM Thread Starter
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Unhappy One more photo + info

Quote:
Originally Posted by Rusticdr View Post
Looks like GSA in the first pic. Wats ur lighting like.. power and duration. Can u post some more pics.. is there any hair like algae too?

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It is the Current USA Satellite PRO LED. At 24" I have a 44 PAR. The Light haves a 9 hour duration.

Attached one more photo.

Thanks!
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Last edited by cejoos; 11-11-2016 at 03:36 PM. Reason: Adding photo
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post #4 of 59 (permalink) Old 11-15-2016, 07:54 PM Thread Starter
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Some one more can help eme pls?


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post #5 of 59 (permalink) Old 11-16-2016, 03:00 AM
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What algae is this?

Sure, willing to help! Could you please post an overall tank picture? From what I see, you have some algae, but I don't understand how many plants you have. Also: do you dose? If so, EI or other method? Do you inject Co2? What substrate do you have? What's your tank size? Your filter?
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post #6 of 59 (permalink) Old 11-16-2016, 03:56 AM
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Actually I don't think the algae is killing your plant,it is the dying plant attract algae. We will need info such as fert dosing, light, co2, substrate, temperature, water parameter etc to determine what is the cause.

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post #7 of 59 (permalink) Old 11-16-2016, 11:48 AM Thread Starter
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Unhappy Water parameters

Lets go:

- Phosphate: 1.5
- Co2: 30 (I have a atomic difuser)
- The tank is a 42gal Tank
- All my fertilizers are from Seachem (Iron on alternate days as recommended, Flourish Trace, one doses per week, Potassium twice a week. Doses are given as recommended by Seachem.
- Substrante: I'm from Brazil and I use the best national brand. MBreda fertile substrate.
- Temp: 79.9 F
- Water Parameters:
  1. Nitrate: 18mg/l
  2. Nitrite: 0 mg/l
  3. GH: >7d
  4. KH: 8d
  5. pH: 6.8
  6. Chlorine: 0 mg/l
  7. Carbon Dioxide: 30mg/l

I never vacuumed the substrate because it is a planted aquarium.

I thing is all.

Do you have an idea?
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post #8 of 59 (permalink) Old 11-16-2016, 12:01 PM
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Can you post the picture of your tank so that we can have a rough idea of planting density and plant type.

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post #9 of 59 (permalink) Old 11-16-2016, 12:10 PM Thread Starter
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Wink

Quote:
Originally Posted by John Wong View Post
Can you post the picture of your tank so that we can have a rough idea of planting density and plant type.

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For sure!

IMG_1367 by Carlos Eduardo Joos, no Flickr

One more detail: I use a 860l/hour Canister and a 1200l/hour Waterfall filter, more to create flow into water.
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post #10 of 59 (permalink) Old 11-16-2016, 12:46 PM
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Nice tank, how you keep your sand white??
In overall plants doing OK.
From your info if your test results are accurate your light, nitrate and co2 should be OK. Hopefully there is no blind spots of water flow.
Phosphate may be a bit low. Maybe you can up a bit and see how green spot algae react. Mine disappeared within 2 weeks time and never came back.
Micro also a bit low. For me I'm using comprehensive instead of trace because comprehensive have higher concentration. I currently dosing 2 times recommended amount because my tank running co2 and medium light, even though my plant mass is less than yours. Currently just start dosing one week ago for my new tank and see how my plants perform and may adjust accordingly. So, better change to comprehensive or better DIY method if you know where to find(cheaper).

Sometime u need to vacuum your substrate carefully to remove mulm. This can reduce organic matter in water column which in future may cause algae.




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post #11 of 59 (permalink) Old 11-16-2016, 12:48 PM
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Hopefully can solve your problems

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post #12 of 59 (permalink) Old 11-16-2016, 01:06 PM Thread Starter
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Red face

Quote:
Originally Posted by John Wong View Post
Nice tank, how you keep your sand white??

Phosphate may be a bit low. Maybe you can up a bit and see how green spot algae react.
Micro also a bit low.
So, better change to comprehensive or better DIY method if you know where to find(cheaper).

Sometime u need to vacuum your substrate carefully to remove mulm. This can reduce organic matter in water column which in future may cause algae.

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Thank for you tips!

The secret with the sand are two: Botias (Loach), which filter the sand searching for food. And there is 1cm of sand. With this, the sand don't get dirty.


Now I have some doubts:

How much to you recommend of Phosphate?

How did you get rid of this algae?

Thanks one more time!

Bump:
Quote:
Originally Posted by John Wong View Post


Hopefully can solve your problems

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Thanks!!!
But...

What is the better proportion of Phosphate. In some places o read, 1/10 of the nitrate or if I have 25 of Nitrate I need 2.5 of phosphate.

Thank you!
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post #13 of 59 (permalink) Old 11-16-2016, 01:23 PM
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My tank is 15gallon. Last time I'm dose 5ml of flourish phosphorus every other day which mean 0.4 ppm per dose. Another cheaper alternatives:
1. Get expired kh2po4 from lab chemical company.
2 mix kh2po4 into water until no more salt can be dissolved.
3 1ml of the solution should raise your tank phosphate level by 1ppm.
4 if you don't want to dose 1ppm, you can dilute the solution with water.


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post #14 of 59 (permalink) Old 11-16-2016, 01:26 PM
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If your plants are doing fine, algae will not grow on them.. Algae on plant is a good indication that your plant not doing well. Yours I think just minor phosphate deficiency for ludwigia.

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post #15 of 59 (permalink) Old 11-16-2016, 01:33 PM Thread Starter
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Quote:
Originally Posted by John Wong View Post
My tank is 15gallon. Last time I'm dose 5ml of flourish phosphorus every other day which mean 0.4 ppm per dose. Another cheaper alternatives:
1. Get expired kh2po4 from lab chemical company.
2 mix kh2po4 into water until no more salt can be dissolved.
3 1ml of the solution should raise your tank phosphate level by 1ppm.
4 if you don't want to dose 1ppm, you can dilute the solution with water.


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What are your Nitrate and Phosphate parameters in ppm?

Bump:
Quote:
Originally Posted by John Wong View Post
If your plants are doing fine, algae will not grow on them.. Algae on plant is a good indication that your plant not doing well. Yours I think just minor phosphate deficiency for ludwigia.

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Yes I thing the same way. But....

What is the better phosphate ratio in a planted aquarium?

For example: If I have:

25ppm - Nitrate
I need 2.5ppm - Phosphate? This is my problem. I don't know the proportion of phosphate.
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