Thanks! The seachem prime is extremely helpful: I had a nitrite reading of 0.5 for the first time! Thanks for the tip about the 25% change. I did such a huge one yesterday because I was worried that the environment had become downright poisonous--what with one dead fish and a fish with the...
Thank you so much for your advice!
I woke up this morning expecting to find that my original male molly--the one floating upside down--had died, but he seemed a bit better. Which is to say that he was still gasping at the bottom of the tank, but at least he was horizontal and would swim around...
I'm in the process of cycling a 10g brackish tank for mollies.
I started it 2 weeks ago with 2 dalmatian mollies, gravel and a few rocks, etc., plus an Aqueon filter (which claims to have a super-duper 3rd stage that promotes good bacteria, but I'm skeptical). I grudgingly went with plastic...