this is crazy! I have stuck java fern in gravel before but all this info is nuts! I was hoping to go heavily planted in my next tank (55) but now I don't know. I wanted it to have a green carpet of plants or grass plus some other plants but I don't even know what to do with all this info. can't I just use gravel and bright ass lights? lol so many substrate options my head is spinning. the fish can't fertilize the plants? I don't even know where to start. the more I look into it the more overwhelmed I get. anybody have a simple freshwater tank that's heavily planted without all the insanity?