aquarium cycle

Hi, I am completely new to this hobby so sorry if I've made some mistakes! I recently purchased a 70L (19 gallon) tank and set it up with some live plants in it. On the advice of my local fish shop I then added 6 cardinal tetras after 4 days, after doing my own research I realise that this was...

Hey all, brand new here and fairly new to the fish keeping hobby. We always had fish growing up, and I had betta's in university, but it hasn't been until the last few months that I've really been diving into the hobby and learning as much as I can. About 2 months ago we got a brand new 38gal...