Cheato is only 1 element of removal.Return is about 400gph, excess are heads. Tank is 13 months old. All I have in the fuge section is chaeto,probably A 6 inch ball, it stays green but doesn't really grow excessively
Each algae species has a different uptake of nutrients
You can use most any light source, most all will provide Photosynthesis
But you can't have Photosynthesis without the right elements for survival


