I wish to set my barramundi tank up with a natural look, i wanted to put floating eucalyptus leaves in the tank that float and some sunken ones, i left some in a bucket for about 2 weeks with some mosquito fish and i feed the mosquito fish but they still died then after the "juices" had been let out of the browned leaves i did the same test again and in the bucket the mosquito fish lived and the water stopped truning brown so would it be safe

I wish to set my tank up like this only a much smaller version

http://photos.somd.com/showphoto.php/photo/3217


and when my 180 gal arrives ill set it up quite the same to