Algae ID and help please

[smik]

Hi,
I am from Czech republic and this is my first post here.I need help.

hair algae


black algae on a leaf plants


checker


My tank:
180 x 50 x 55 cm = 495 L
fertilization per week (EI system):
8g KNO3 (NO3 - 10ppm/l)
0,7g KH2PO4 (PO4 - 1ppm/l)
1,5g Plantex (Fe - 0,2ppm/l)

Lighting:
T5 4x80w with reflectors. 2x80W ON 1PM and OFF 9PM, add 2x80W ON 2PM and OFF 8PM

Filtration:
DIY glass external filter with pump EHEIM 2000+
EHEIM 2217
KORALIA 2

CO2:
bottle and reactor AquaMedic 1000. million b/s ON 10 AM and OFF 7PM

I must trim plants once a week. Plants is pearling.
Thanks for any help.
Regards Viktor

Sorry for my english

 

[smik]

front view

 

[ceg4048]

Hi smik,
It's not clear what kind of CO2 injection you are using. Is it a pressurized cylinder? Also, if it is a gas cylinder what time does the gas turn on? I would disable two of the bulbs for now until this is solved. That will help temporarily.

Cheers,

 

[smik]

Hi ceg4048,
I use pressurized cylinder with solenoid valve. Turn ON 10 am and OFF 7 pm