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Discussion Starter · #1 ·
Good day to all of you,

I'm posting today because I have an extreme algae problem that is starting to get on my nerves and I need help.

I have a kind of black spot algae that gets on the leaves of the anubias and some of my other plants but does not seem to like swordplants or banana plants.

Its so deeply stuck in the leaves that even when I try to manually remove it it simply breaks the leaves.

This is in a 33 Gal tank with ottos, shrimps, a bristlenose and a loach as my clean team.

The params always look the same ph of 7.2-4, nitrates at 20-40,
phosphates always below 1 (ok as per instructions) iron ok as well,

I have 2 20 watts neons and a co2 system.

I really need to find a way to make the algae dissapear, all help is appreciated
 

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I would recommend dosing more phosphate. I get green spot algae(probably the same as you have) on anubias leaves and the glass when po4 falls below 2ppm. Olive nerite snails will eat green spot algae too.
 

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You were told wrong, at least about algae and PO4.
More likely a CO2 issue if you rule out PO4.
Folks have long noted a decline in GSA on glass, leaves etc when using higher levels of PO4 from KH2PO4 dosing, 2ppm or so is a decent target.

If you accept that PO4 = algae, where are all these folk's algae issues then that dose KH2PO4 liberally several times a week then?

Clearly that cannot be the cause............

Regards,
Tom Barr
 

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Discussion Starter · #6 ·
I'll try it today then,
Believe me if that works I'll be a very happy camper,
I'll keep you informed of the changes in the tank.

I've been told that a siamese algae eater would eat it as well, True?

What types of plants can I use to shade the anubias ? cause they are extremely big (the root is about a foot long)
 
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