Algae type and advice please

[mario]

Hello everyone,
I have a 90l superfish tank, no CO2, no fertilisation apart from the fish food, low lighting (superfish led 35w dimmed at 15%). The growth is slow but I don't mind, the problem is that most of the older leaves are covered in a black/greenish algae (see photo)

It's easily removable. I have done a rescaping and removed the badly affected leaves and reduced further the light. I am also planning to give fertilizer regularly. Any thoughts and advice would be very gratefully received.

Alessandro

 

[Tim Harrison]

It'd be helpful if we had a little more info inc. a FTS.

Please read the guidelines for Algae help!

Dear Member Please give as many details as possible regarding your aquarium set-up, when requiring advice/help! The above will be posted at the start of each help request. Why do we ask these questions? It will stop the member posting multiple times, plus adviser's don't need to scroll through...

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ALGAE PROBLEMS: Read this

General plan of attack in case of algae/bad plant growth We see this question about 10 times a week and to answer each time gets old in the end. So, I decided to give some general guidelines most experienced people here think are solid suggestions 1) Light Not mentioning specific lights, the...

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[mario]

Thanks for your answer. I didn't take a picture of the tank before the cleaning/rescaping. Afterwards it looks like this:

Cheers

 

[hypnogogia]

Plus this information:
1. Size of tank in litres.
2. Age of the set - up.
3. Filtration + Media/Sponges.
4. Lighting and duration.
5. Substrate.
6. Co2 dosing or Non-dosing.
7. Fertilizers used & Ratios.
8. Water change regime and type.
9. Plant list + When planted.
10. Drop Checker.
11. Inhabitants.
12. Full tank image & Surface image.