Some of the hygro require co2 and lots of light.
Carpet plants no co2.
Best easy carpeting aquascaping plants without co2 number two on the list which i also have in here as you can see this plant can be super invasive and it s just like the s repens with the light if you give it low light it will grow as tall as it wants to so just be careful because this plant can be very invasive i m constantly picking out.
But like i said a bunch of light without co2 isn t a good formula to experiment with.
You need to remember the goal is to achieve carpet in a low tech no co2 planted tank.
Negative aspects of selecting non co2 plants non co2 plants feature a slow growth rate and people who want a rapid growing plant in their aquarium will surely be disappointed and should look into setting up a co2 planted tank if they already haven t.
Hairgrass would probably struggle to stay alive and i know you could not get a carpet from it in inert substrate and no co2.
Carpet plants also offer an alternative to floating or vertically growing plants in their aquarium.
Can act as carpet plants and aren t very picky.
Many of the more attractive species of carpeting plants grow better with more light.
It tends to turn out poorly for most people.
So first of all forget about fishes at least till the plants are flourished and a decent carpet is achieved.
Just check they are low to medium light and low tech.
You need to wait before a balance is existing in your closed eco system.
For fish tank owners who regularly replace their aquatic plants they might not find this approach useful.
Anything that would grow like you are describing needs high light lots of fertilizer and co2.
Acclimation the most difficult stage of growing a carpet is at the start.
Picking out the right carpet plant for your aquarium is certainly tough especially when trying to select the right plants for beginners.
I would get the hang of low light plants before getting into carpeting plants.
Additionally your aquarium lighting will affect every plant differently with some plants thriving in low light situations better than others.
There are certain species you could try dwarf sags dwarf hairgrass marsilia certain hydrocotyle spp etc.
Tips for better success rate with low tech carpet.
To use a non carpet plant as a carpet you need to be able to keep it trimmed short.