I've got a 5 gallon Fluval spec shrimp tank with red cherries I've got some Java moss, peacock moss, hornwort, a Java fern and wisteria, 2 anubia nan petite, and some driftwood.
The plants are thriving.
PH is almost 8, TDS is 622 tonight. I've ordered a gh and kh test kit so haven't tested...