Keeping stem plants anchored down
Just wondering how some of you are keeping your stem plants from coming free and floating to the top. Right now I am having trouble keeping my Limnophila Aromaticas from breaking free and was just seeing what some of you might suggest. I was thinking of wrapping some cotton with a rubber band around the bottom of the stem to give it some what of a base to hold it down, but I don't know how that will go later on in time and for when it starts to root more. Any info would be great!