i have a 40 breeder with 2- 30 watt led lights
dirted with co2 light cycle is from 1100 am to 7 pm (8 hours)
ei dosing 50 to 60 percent water change once a week
been set up for 3 months

here is the issue everything looks great but my xmas moss and only the xmas moss (it is attached to red lava rock)
has brown string looking algae starting to grow off of it any ideas or suggestions would be helpful


tried taking a pic of but since my phone is my only camera it doesnt show up

Thanks for any help in advance