LOFE plant - hydroponic "Middle special" Cintho per piece

Hydroponic Cintho plant means that I am a green plant on water per piece.   We are decorative in the house and have a fresh appearance with an air purifying effect.   If I stand in a bright place in the house with sufficient air movement, you can see my roots developing in the water and I am slowly growing in my leaves.   In terms of maintenance, I don't have much to do, check once every 2 weeks, but it may be that once every 1 or 2 months is sufficient to top up.   Level is good as long as my roots stay in the water.