I have a 5 gallon tank with a 15 watt light and no co2. What kind of plants might thrive well in there? My poor betta is getting ripped fins. I know plenty about co2 systems and will probably put one in later this year after Im done with my 55 gallon build. For right now I just want some beginner plants and for my tank to look less like a fish rave. Do those co2 drops and tabs work well enough for such a small tank?