You will need to find out the hardness of your water before you decide on stocking. Your supplier's website will tell you 
/www.liveaquaria.com/product/prod_display.cfm?c=830+890+903&pcatid=903Ninjouzata said:I'd think a single honey gourami would be okay but Daize likely knows more about them than me (havn't kept them myself!) so maybe they would be better off with company.
/www.seriouslyfish.com/species/trichogaster-chuna/