New new 20 gallon tank, no fish yet, is set up and has all fake plants. Are adding some real plants a good idea for a fish tank. I want to make my tank as healthy as can be but I also know that rea plants can also cause some problems. Any suggestions or advice woudl be great, if i shoudl get a real plant or two, what kind/size should i get? If its not necesary to have them then yay!