hi guys im new here and i have had my nano 25 gallon for around 8 weeks everything in regards to levels are fine salinity is at 10.20, ph and nirate levels are on the money but i have had for the last two days a lot of green algea what is my best way to clean it up with out disurbing the tank, i have got two clown fish two crab two shrimp and two small snails i have not added coral yet as i want the tank and myself to mature first thank you for your time?