I am a basic hobbiest although I have fish tank from 2 years my knowledge is average. Recently I have started using 60 litre tank.
To be clear, we aren't trying to be mean or condescending ... Many of us started with the best of intentions and came here with troubled tanks that had to be completely revamped.
(After a dozen short lived bettas, it's been 18 months since my last well-intended fish mishap, thanks largely to the people here!!)
Sent from my iPhone with three hands tied behind my back.