Bucephalandra Catherinae Green – Care Guide Light: Low–medium. Too much light can cause algae. Temp: 72–80°F (22–27°C) Water: pH 6.0–7.5 | Soft–moderately hard Flow: Gentle–moderate flow helps keep leaves clean. Placement: Attach to wood or rocks. Keep rhizome above substrate. Growth: Very slow; compact plant with wavy green leaves. CO₂: Not