hi, i new to this planted aquarium. Recently i just bought a small aquarium tank to try out some aqua plant, simple step i use water tap and some plant just to find out how long my plant lasted. only 2 days become yellowish already and crooked. sifu sifu pls teach me breed them well

later i post some photo and detail when i back home currently at office. What is co2?? As i know its expensive rite? any recommend for cheap affordable co2? i dont have co2

wat type fish that eat fish poo and uneaten pallet ?

if at night do i need on my lighting for the plant?? or left it off?

is death plant in aquarium poison for other plant and fish??

i just bought a Fluval Flora C02 20g how touse it seems like i filled up the catridge it will push the water down and no bubble coming out, plus i can see the co2 is depleting and water is going out?? i just dont get it when i saw everyone co2 kit got bubble

guide me for the Fluval Flora C02 20g im clueless and search everywhere.

if i trim my riccia, the trimmed part i leave it do it grow??

just bought a bottle of bateria ball ADA. do i need sufficient oxygen so the bateria wont die and create a white slimy thingy tangle around my plant?