going to start with a blackout then drop the lightning down to 5 hours and see if that helps
Lots of floaters also which aren't visible.
If you don't object to snails, Red Ramshorn Snails will control it, but it will take a while, because they don't eat the mature tufts, <"they just graze the sporelings off"> when they eat the biofilm on leaves etc.Cleaner shrimp and ottos
your filter looks to be full of plants. Is the flow still decent and filter clean?
got a pic off them from above so we can see colour of leaves
Sure have, heres one under each of the tubes (they're different types hence the colour difference)
Perfect. The holes in the older Salvinia leaves ("snake bite lesions") are a deficiency symptom. It might be <"iron (Fe) deficiency">, which the plants have now grown out of, or it might be low magnesium (Mg).Lots of floaters also which aren't visible.