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My 55 gallon tank is cycled but I'm having issues with nitrates. My tap water tests at about 10 ppm. I do the necessary water changes but at best I'm still back at 10 ppm. I don't have many fish yet (6 small hardy fish) but I'm wondering if there is anything I can do to get levels closer to 0...

My ammonia is almost at zero and my nitrites keep spiking. They have been spiking for about a week or so and I keep doing 50% water changes. Can anyone tell me an average time for the nitrites to go down? I'm trying to see the light at the end of this very damp tunnel.

I'm 3 weeks into my cycle so I tested my water. Ph was 8.2, ammonia was .25, nitrites were at .50 ppm and nitrates were at 10-20ppm. I was advised on the forum to do a 50% water change to my 55 gallon tank. I did a 25% change yesterday because I wasn't prepared to do a 50%. Holy crap. I tested...

Hi! I'm Janet. I was recently given a 55 gallon aquarium after 10 years living a fishless life and I'm a tad giant bit out of my league. I'm almost 3 weeks into cycling my tank. I have 7 fish and they are hardy and small. My ph is 8.2, ammonia is at .25, nitrites are at .50 ppm and nitrates are...

I have a tall 55 gallon tank and I'm having trouble stocking it. I was told not to get bala sharks or catfish because they require more distance horizontally to swim. Is that true? if so, any suggestions for larger freshwater fish? Thank you!