Yes, swords are usually considered low although a lot of them (Echinodorus 'Rosé', Echinodorus uruguayensis, Echinodorus tenellus, etc) require medium light.are swords low light plant?????
Thats what we use and we're happy. The intensity is important... ie.Compacts get good reviews too!
500 1Watt LEDs < 1 500Watt Metal Halide.
They also take up less space.