Hello. I have a 55G established tank with 9 small african cichlids. I have a 75G Aqueon filter and a 55G Marineland Filter with a bio wheel. My ammonia never seems like it's at a normal level. It was at 4ppm the other day..... i did a 50% water change and got it down to 2ppm. I checked it again this morning and it was back up to 4ppm. I did another 50% water change and got it down to 1ppm. Can anyone tell me why my ammonia says so high and why it seems like my filtration system isn't working even though its over filtered? Fish don't seem stressed....
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