over 3 years her

Hi, yes, look at the sites in Google, there are a lot of videos and sites on this topic, so if you searched for yourself, you would have found the information you need a long time ago. Well, if you couldn't find a suitable resource, then I personally can advise you to find a topic that interests you here and watch a video on it https://aquarium-setup.net/ . There is a lot of material on aquariums on the site, so I am sure that you will definitely find something for yourself. Good luck!