Hello to all. I am new to posting on this board but I have been browsing on here everyday for the last month and this site has been very helpful in setting up my first pdf tank, but I do have 2 questions for anyone willing to answer. Is eco earth an accecptable substrate for plants to grow in? If not what should I use? I have also been looking at a 65w power compact light for reef aquariums. My question is, will this light be sufficient for the live plants and pdf's in the terrarium? Thanks.