nitrates

So I have a tank that’s been nothing but issues and I cannot figure out what’s wrong. It’s almost 3 months old, was cycled at 1 month and was seeded from a different tank by using an older filter. It is 29 gallons 62% stocked with 180% filtration of 6 cherry barbs 6 ember tetras and 5 Harlequin...

Can someone please explain to me how nitrites are turned into nitrates and vice versa in the nitrogen cycle? Thanks :)

Thanks in advance for help on this problem... Information: My two silver dollars eat everything I plant in my 29g. of course, and I have a nitrates/algae problem, of course. Letting the little rascals go to another home is, of course, out of the question: they've been with me so long I couldn't...

So part of this will be redundant as I am putting my test results pictures here and removing them from the thread that got side tracked. So bear with me. The back story is I've been cycling a tank with just shrimp, shrimp pellets, plants and a Nerite snail. Just a nano 5 gallon, waterfall filter...

Hi all, Sorry for the long question/update. :-) I can't remember how long I've had my tank now, I think since December. I've had a bunch of issues including ich, random deaths of one fish at a time while everyone else seems fine, and most recently some weird illness that kind of looked like...