Xmass moss turining brown and thinning out
I have a 10G planted RCS tank with about 40-50 RCS and 4 Otto's.
The tank is about 8-9 months old.
Filtration is a Marineland C-160 and a dual sponge filter.
2 9W CFL's, no CO2, 8hrs of light a day, (4on,2off,4on)
I have minimal algae, enough to keep the Otto's busy.
The tank is mostly Java ferns which are doing great and xmas moss.
The xmas moss was thriving, full and green, and then all of a sudden starting browning at the bottom and thinning out.
I dose 0.5ml of Flourish Comp twice a week.
I do a weekly water change of 20-30% with 100% RO water + RO right. I do top offs with staight RO water.
All the other plants are doing great.
I was not trimmimg the moss, should I be keeping it short and trimmimg the moss?
Any help or suggestions would be greatly appreciated.