Mine has been doing this too! I'm going to try and anchor it to a rock or something. It has all these little brown dots on it though, any idea what that is? Its still looking healthy and a new leaf is opening up as we speak so it doesn't seem to be affecting it..
Originally Posted by aokashi
If a stem does reach the top, trim it off from the bottom. leave it to float around your tank. it will grow a second plant =D
Great advice, thanks!