Mate you need to down size pot , 3 gallon is hench , go get a 3ltr pot for now , and i would'nt bother wih that m/grow either , you say it holds the water well !! you dnt want that at all , if ya gonna continue useing m/grow go get some perlite and add it to ya mix , .... and be PATIENT!! She's a baby ! oh and try geting tome take root or rizatonic that will help her out