I will tell you....period....it is harder to keep a Betta in a 5 gallon than a 20g.View attachment 320730
Reef in my same tank........mic drop
That is where the experience comes in. I did not know what a nitrite was 2.5 yrs ago. If it is for you....you will figure it out. The harder the project, the sweeter the reward once you can stop checking API MTK every day. THRIVE IN A 5!