Hello, my 29g aquarium had bee set of for about 3 months now. Tank is cycled and has been running well. Just over a week ago while doing a 50% water change I forgot to dechlorinate the new water. I was able to save all fish and they went back in the tank the same day. After that I did water changes the next 3 days until my ammonia, nitrites and nitrates came down. However, although nitrites are back to 0 and nitrates are down to 10 the ammonia still reads between .25-.5 everyday. Does anyone have any ideas as to why this is happening. I'm
Stock: 10 neon tetras, 9 guppies, dwarf gourami, 4 albino Cory, 1 small highfin pleco and a African dwarf frog.
Stock: 10 neon tetras, 9 guppies, dwarf gourami, 4 albino Cory, 1 small highfin pleco and a African dwarf frog.