I have been really struggling to find fish to keep in my 20g long freshwater tank. I have gravel substrate and adding live plants very soon. The only problem with my tank is the water temp and the PH. The temp is always around 79-86F max (rarely that high) and my PH is around 7.5-7.8. I have made multiple lists of fish that I wanted but either they arent compatible or don't like the hard water. Some fish I was really looking into were: Paradise fish, gouramis and GBR's. What is everyones suggestions for top,middle and bottom dwellers that will thrive in my tank? (I am not wanting to get into breeding so I am ok with fish eating the eggs of another one)