thickets

Hello! As some of you may remember, I have a 240L tank with a 100L sump setup, filled with bio-balls. Here are my tank stats: Planted: Somewhat (corkscrew Val, Amazon Sword, hornwort thicket, Elodea, some sort of creeper plant); far more to come soon Decor: One lava-rock arch. No driftwood as of...