What is the best carpeting plant

[anewbie]

I'm going to mention a less common plant used for carpeting but I really like "tropica"  parviflorus echinodorus.   I might be mistaken but I believe there are two versions of this plant the "tropica" version is approx 2 inches high (shorter than dwarf stag); and the non 'tropica' version is approx 4 inches high. I can't take a picture right now as lights are out on the tank (night time for the fishes 😉 ) but this plant has a much large leaf than dwarf sag or pygmy sword and a darker green but it is very short. I've had my plants about 4 months and they are now just beginning to send out runners so carpeting will be very slow and take a bit of effort - my guess it will take about 2 years to get a decent carpet on my 40 - but i've been slowly pulling the dwarf sag as it spread because imho it is a much nicer plant.

[Ben Ellison]

I'm attempting my first carpeting plant. I elected to go with dwarf chain sword since it was the only one not listed with slow growth and or high light. I am doing my first go at co2 buy in was about 225 bucks and I've noticed my plants especially my octopus growing like crazy. The chain sword seems to be still getting use to its new home.