cheers guys, with the amount of algae in the tank you wouldnt believe it has a tmc vectron uv filter and an additional 9w uv filter in the external filter!
Algae is an innevitable part of fish keeping i'm afraid. If there is any slight traces of ammonia/nitite in your tank and light (especially sunlight) then this will cause algae.
Looking forward to reading updates on the spawn. Good luck!