All species

Goes orange at the tips under strong light. Trim it and replant the tops.

What it needs

Grows to

40 cm

Smallest sensible tank

75 L, at least 60 cm long

Temperature

22 to 28 °C

pH

6 to 7.5

Hardness

2 to 15 dGH

Grown

as cut stems pushed into the substrate, trimmed and replanted

How hard

easy

These are the figures the stocking advice is built on. Make a room and it will tell you whether a rotala rotundifolia fits the tank you have.