It's not an algae problem, but some info is still needed :)

[Turin Turambar]

I don’t have an algae problem. Everything is under control. But, I thought that maybe there’s a way to remove these algae from the nana leaves and some rocks?

Please click on the picture.

What kind of algae this is? They have a deep green colour. The nana leaves shown on the left are more than one year old, while on the right, they have about 6-7 months.

That’s the only type of algae that I have in the tank. Maybe they are normal and they shouldn't or couldn't be removed. Thanks.

 

[Turin Turambar]

bump

 

[djlen]

This is the typical 'soft' algae that generally can be expected to grow on Anubia. It is a great plant family, but the leaves live for so long that they tend to accumulate algae.
I know of no way around this problem. Otos help, and bleaching occasionally will get most of it off, but nothing is permanent.
Most of us that love Anubia despise it.......but live with it.

Len

 

[beviking]

Yeah, I bleach mine about once a month. Hopefully adding CO2 and some faster growing plants will help soak up the nutrients b4 the algae can get them.

 

[Turin Turambar]

I thought of that too (soft - normal - algae). But what about bleaching? You mean the stuff with the chlorite? I didn't know that... but the problem is because I cannot move the plants.... they attached the roots to the stones. I don't want to ruin that.
And yes, anubias nana is my all-time favourite plant.

 

[djlen]

I've got a huge piece of African Root with about 9 Anubia on it and when I bleach them I throw the whole thing, wood and all into a large bucket with a 19:1 bleach solution for 45 secs. to 1 min. and they come out beautiful. Unless your stones are too big, you can do the same thing with them.
Dip them, rinse well under the tap, and submerge them in another bucket of fresh water with a double dose of tap water conditioner for a bit and back into the tank, all in one piece.

Len

 

[beviking]

Yup, I do mine for 2 minutes in 19:1 solution. They're just in the gravel so its not a big hassle for me. Bleach, as in the stuff you put in the laundry (just not the scented stuff, so I've heard but the a. nana doesn't seem to mind the fresh rain scent!) Bleach dip, rinse in bucket with normal tap water, then in bucket with 2X tap water conditioner. I leave them in the last bucket for a couple minutes, stir gently too. Try to get the temperature in each dip/bucket about the same as the tank they came from.