Hair algae and bryopsis. Verify phosphate and nitrate readings and assure they’re not elevated
Reduce white light intensity. Pull as much by hand as you possibly can.
Add 1.5ml of hydrogen peroxide per 10 gallons at night for 7-10 nights and add some cerith and astrea snails, a pencil urchin , conch and some blue leg hermits.
This will declare and end the war with this algae
Fluconasal will also work