readings help

[method0075]

NO2 160
Ammon. 0
PH 8.0
NItritite 8.0

Any Advice... These should all be zero , right?

 

[electrikat]

Your ammonia and nitrite should reach zero but the nitrate will probably only drop to around 5 to 10 ppm. When the first two reach zero do a large water change to get the nitrate to come down.

 

[method0075]

this is a 3 month mature tank.... Everyone in it is fine, I have red algea and polyp blooms... Is all this with the readings cool?