Ammonia Spike

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joeddogg

Aquarium Advice Apprentice
Joined
Oct 1, 2004
Messages
22
Location
New Jersey
I have had my tank running for 5 weeks. I just tested it and found that the ammonia has spiked to .50. Is this normal. It was testing 0 ammonia and 0 nitrite previously. Is this normal?
 
Are there any animals? Did you add any rock?
Something may have died.
 
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