Leaf problems

[joncairns]

Can anyone tell me what the problem is here,not sure how well the the pictures the brown mouldy looking stuff growing on the leaves.

Thanks,

Jon

 

[Alastair]

All I can see on that main plant is bba or black brush algae, especially on the edges of it.

Here's a good site to have a look at algae types and causes/remedies

http://www.theplantedtank.co.uk/algae.htm

Hope this helps

Cheers




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