Brown spots...not diatoms!

[john arnold]

Hello
Tank is 2 weeks old and im getting brown spits on leaves pretty sure it's not diatoms, 140 l, 15 ml aquascaper complete daily, running co2 , getting lime green on drop checker, twinstar600ea on 6 hrs day as new tank will chsnge to 8 in a couple of weeks, good flow rate, tropica soil, any ideas

Oh ive only been doing this for 5 months, have another tank

 

[tam]

Does it rub away easily with your finger?

 

[john arnold]

No its actually of the leaf itself

 

[Edvet]

Looks like it is on older leaves only, is it on any new (in tank grown) leaves?

 

[john arnold]

Its not grown thst much yet as only 2 weeks old, ill look closer to see, thanks, having a bit of grief at moment with my 240l tank ans algae so little dispondent

 

[Edvet]

Old leaves often are struggling .

 

[john arnold]

Ok guess see how it goes cheers