Najas guadalupensis
Guppy grass is named so because of it's usefulness to guppy breeders for providing hiding spots for fry. It is very prolific and does not require much to grow well.
General Needs
Light: Low.
Co2: Not needed.
Best Placement: Leave loose and floating. Suited for non-aquascaped, breeding tanks.
Comes in 300ml container sized portions.