I set up a new tank about a month ago. Because it was given to me with fish, I couldn't do a fishless cycling. I've been trying to cycle it, but the ammonia is very high and I can't get it to go down and stay down. I know there is supposed to be an ammonia spike, but how long is it supposed to last? How much water can I change? I've been doing big changes (60-70%) every two days or so, but I'm beginning to think that that's counterproductive. I lost two fish about two weeks ago and I don't want to lose anymore. Here are the tank stats:
Tank: 29 gallon tall
Filter: started with a Penguin 150 HOB filter, added a second Aqeon HOB filter last week. The Penguin filter was from the old tank and set up with the used filter cartridge.
Fish: 3 Harlequin Rasboras, 2 Goldline Rasboras, 5 Black Skirt Tetras (yes, this is a lot of fish, but they came with the tank and I didn't have anywhere else to put them).
Current water parameters:
Ammonia: 1.0
Nitrite: .25
Nitrate: between 0-.5
All of the substrate and decor from the previous tank was filthy and hideous and had to be thrown away. I added new substrate (gravel, flourite, sand) and new wood, plus plants from an already established aquarium. Last week I added a handful of gravel from another tank to try to bring in more beneficial bacteria but it doesn't seem to be working. Should I continue doing the big water changes?
Tank: 29 gallon tall
Filter: started with a Penguin 150 HOB filter, added a second Aqeon HOB filter last week. The Penguin filter was from the old tank and set up with the used filter cartridge.
Fish: 3 Harlequin Rasboras, 2 Goldline Rasboras, 5 Black Skirt Tetras (yes, this is a lot of fish, but they came with the tank and I didn't have anywhere else to put them).
Current water parameters:
Ammonia: 1.0
Nitrite: .25
Nitrate: between 0-.5
All of the substrate and decor from the previous tank was filthy and hideous and had to be thrown away. I added new substrate (gravel, flourite, sand) and new wood, plus plants from an already established aquarium. Last week I added a handful of gravel from another tank to try to bring in more beneficial bacteria but it doesn't seem to be working. Should I continue doing the big water changes?