Use the Turkey Baster if you wish.  Just remember the tenacity of Aiptasia is incredible.  I have one particular rock that was treated with the baster.  Then many months later I looked , and saw an Aiptasia on that rock.  Sometimes you think you have them beat just to have them show up again. 

 .  I finally used the boiling water submersion method.  On top of that I have isolated the rock in a 15 gallon nano type tank. 
