What is this algae - The Planted Tank Forum
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post #1 of 14 (permalink) Old 10-15-2019, 02:28 AM Thread Starter
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What is this algae

I've been struggling to get rid of this stuff for some time and I've run out of ideas. It tends to fringe around my Amazon Sword plants the most. It is a 50 gal tank with a Current Pro Plus running 8 hrs/day at between 35% and 50% intensity for the white diodes and 100% for the RGB. I'm running C02 at 2 bubbles/sec along with a capful of Excel once a day. I've also been using Leaf Zone about once a week and doing a 10% water change weekly. Any suggestions would be appreciated.
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post #2 of 14 (permalink) Old 10-15-2019, 02:49 AM
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1) Reduce your lighting duration

2) Reduce your feeding and

3) Purchase and use seachem flourish
and dose Seachem Excel at the recommended rate and

2) dose Seachem Flourish at twice the recommended rate for two weeks.

If anything, if you dont want to purchase seachem products reduce the light duration , do major water changes. If the algae doesnt come off manually from scrubbing, you're gonna have to trim all those leaves that are infected .
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post #3 of 14 (permalink) Old 10-15-2019, 03:03 AM Thread Starter
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Thanks. I felt like 8 hours of light was already on the low side already. I will double up on Flourish. I have used it in past but minimally. Unfortunately this type of algae is very hard to scrub off. I've been trimming the leaves too but they don't come back fast enough.
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post #4 of 14 (permalink) Old 10-15-2019, 03:06 AM
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Full tank picture?

You need way more elements than K and iron in leaf zone. Try Thrive.

Better water change prepping and larger water changes are probably needed. 25-40% at least if not more.

No sense using excel if your dosing CO2 but you can use excel to spot treat and kill that BBA type algae.
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post #5 of 14 (permalink) Old 10-15-2019, 04:18 AM
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Just as another confirmatory response, your algae does appear to be BBA

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post #6 of 14 (permalink) Old 10-15-2019, 04:31 AM Thread Starter
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Here is the overall tank. Yes, I'm cheating a bit with the undergravel filter. I planned to remove it but the plant roots are well established at this point. I also have a canister filter running. I've used the Ultra Life Blue/Green slim remover on the BBA in the past but the second time it had almost no effect. A have a big fish load so maybe more water changes are needed along with better ferts.
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post #7 of 14 (permalink) Old 10-15-2019, 09:26 PM
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I would be wary of that cabinet/dresser holding a 50 gal tank .

My wife says if I get one more aquarium she is going to leave me . I sure am going to miss her fried chicken .
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post #8 of 14 (permalink) Old 10-15-2019, 10:44 PM
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A couple months into my current planted tank I had an outbreak of algae that I fought unsuccessfully for quite a while. Someone on this board recommended removing as much algae as I could by hand then hitting the remaining algae remnants with hydrogen peroxide via a syringe. It worked great with the cravat that it pretty much instantly killed a few snails that were munching on the algae laden plants. In a few months after my plants started to really take off the algae went away and hasn't returned for several years now.
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post #9 of 14 (permalink) Old 10-16-2019, 02:52 AM Thread Starter
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I'm assuming you need to remove the plant or drain the tank to expose the leaves for application. Do you use the peroxide at full strength?
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post #10 of 14 (permalink) Old 10-16-2019, 03:36 AM
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I'm assuming you need to remove the plant or drain the tank to expose the leaves for application. Do you use the peroxide at full strength?
Exposing the leaves makes it easier to apply. You can also leave them submerged, but I would turn off the filter so that the water current doesn't minimize contact time.

You can use 3% hydrogen peroxide without any dilution. If you have stronger concentrations, dilute down.
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post #11 of 14 (permalink) Old 10-16-2019, 03:57 AM
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I'm assuming you need to remove the plant or drain the tank to expose the leaves for application. Do you use the peroxide at full strength?
Please search the archive for proper Hydrogen Peroxide (HO) solution strength, application methods and warnings... but no, I just turned off the filter to minimize water movement then shot the HO directly onto the submersed plant after pulling off as much algae as I could. I started with small doses and went larger once I got a feel for how it reacted. My guppies didn't blink... but I was surprised when the snails instantly hit the gravel like I had covered them with salt. The snails were volunteers so I didn't worry.

Check for HO effects on other tank creatures like shrimp and catfish. I seem to remember being warned about harm to these and some other tank dwellers that I did not have in my tank. I can tell you it worked great for me, but it has been a few years so I don't remember all the specific details of what to watch out for. I know there is a good thread about HO algae removal on this board somewhere.
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Last edited by Oughtsix; 10-16-2019 at 04:12 AM. Reason: edit
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post #12 of 14 (permalink) Old 10-16-2019, 04:35 AM
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Quote:
Originally Posted by Trailmixguy View Post
I've been struggling to get rid of this stuff for some time and I've run out of ideas. It tends to fringe around my Amazon Sword plants the most. It is a 50 gal tank with a Current Pro Plus running 8 hrs/day at between 35% and 50% intensity for the white diodes and 100% for the RGB. I'm running C02 at 2 bubbles/sec along with a capful of Excel once a day. I've also been using Leaf Zone about once a week and doing a 10% water change weekly. Any suggestions would be appreciated.



Why donít you follow successful setups, like @Asteroid.
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Some notes about setup:
No3 - Before water change 70 - 100ppm, After water change 40-50ppm.


The system took care of the rest.


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post #13 of 14 (permalink) Old 10-16-2019, 08:41 AM
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I would never apply any topical into an aquarium when it comes down to being patient in planted tank. Just do larger water changes, trim, and reduce light duration.
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post #14 of 14 (permalink) Old 10-16-2019, 01:17 PM
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...

Why donít you follow successful setups, like @Asteroid.
Thank you for the nice reference.

Here is the link to my journal OP if you'd like to read it where text isn't moved and pasted to change the context:
https://www.plantedtank.net/forums/1...-1st-post.html

@Edward if you had a journal and/or a tank to show I would do the same for you.
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