It looks like it might be a combination of algae and detritus, but I think your main issue is lack of plant growth. Do you add any fertiliser? or just the Excel?Covering the leaves of this plant…
Perfect, a full-tank shot should help.yes I dose with TNC complete @ manufacture dosing
All the other plants are doing very well, I will try ands post a full tank picture
Personally like a longer light period for low tech tanks - <"Photoperiod v intensity (yes this again 😂)">.Light 6 hours