Hi, I got easy plants to take care off, such as Cryptos, Java Ferns, Anubias Nana, C. Demmersum, Duckweed, and three big Ruby Amazon.
I have added now some Hydrophila spp., and floating Riccia.
I add 5ml of TPN+ per day, and 10ml per week of TPN, the plants are mostly potted on JBL Substrate...