help glosso with algae

[markyen]

My glosso carpet is infected with green spots on the some leaves and the spots caused some short black algae which is around <1cm.

I change water 20% weekly. The possible cause is that the plants itself got a bit algae when I bought it.

My lighting is 8 hours a day with 2 hours break in between. seldom use liquid fert. The other plants are OK.

[markyen]

My glosso carpet is infected with green spots on the some leaves and the spots caused some short black algae which is around <1cm.

I change water 20% weekly. The possible cause is that the plants itself got a bit algae when I bought it.

My lighting is 8 hours a day with 2 hours break in between. seldom use liquid fert. The other plants are OK.

[markyen]

My glosso carpet is infected with green spots on the some leaves and the spots caused some short black algae which is around <1cm.

I change water 20% weekly. The possible cause is that the plants itself got a bit algae when I bought it.

My lighting is 8 hours a day with 2 hours break in between. seldom use liquid fert. The other plants are OK.

[markyen]

My glosso carpet is infected with green spots on the some leaves and the spots caused some short black algae which is around <1cm.

I change water 20% weekly. The possible cause is that the plants itself got a bit algae when I bought it.

My lighting is 8 hours a day with 2 hours break in between. seldom use liquid fert. The other plants are OK.

[ZeRoC00l]

Yr lighting and water chemistry is off.

Adjust the water perimeters first

Cut off the infected parts and replant horizontally along tank.

[ryan]

how big is your tank?
injecting co2?
phosphate, iron and nitrate/nitrite levels?
livestock?
how old is your tank?

[markyen]

4ft tank.
Co2 1 bubble per sec for 24 hrs
PH 6.5
KH 7
4 months old tank.
50 tetras in tank.
8 SAE
6 Otto
10 Yamato

[vinz]

Check your NO3 and PO4.