cycling newbie

Ok, so I am in a pretty sticky situation here. My 5-gallon fish tank broke, so I had to go to the store and get a 3.5-gallon fish tank for my male betta fish, 2 neon tetras, otocinclus catfish, and 2 ghost shrimp. Now I have a very tiny overstocked aquarium. I am pretty new to the hobby, and I...

I can’t figure out what’s up with this tank! It’s 10 gallons and has been set up for several months. I know it’s cycled because there was a nitrite spike a couple months ago followed by nitrate. Both are now at zero (the frogbit keeps the nitrate at zero even though my tap water has nitrate!)...

So I think we messed up. We got a new Betta fish(Keanu) and six ADFs the other day, and literally this morning I found out about cycling... The Betta is in the 3.5 gallon, and we have two tanks. We've got three ADFs in each, and the Betta in one, with the intent of getting another betta for the...