It suddenly appeared and took over most of the aquarium floor and wrapped around some plants too. It looks terrible and no matter how much I change the water and vacuum the aquarium, it comes back after a couple of days.
It suddenly appeared and took over most of the aquarium floor and wrapped around some plants too. It looks terrible and no matter how much I change the water and vacuum the aquarium, it comes back after a couple of days.
As mentioned, it probably is excess of nutrients caused by too much food or/and in adequate filtration.
That said, a water test would be the best what of answering your question.
Do you keep an eye on your parameters? Can you let us know what your ammonia nitrite and nitrate values are?