Randy Holmes-Farley
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My Tank Thread
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You mean from the top down to there, or just the width of your finger?
The width of the finger might be 100 mL.
Assuming that is about 5% ammonia, you added 5 grams of ammonia which would convert into 18 grams of nitrate.
In a 65 gallon tank, that amounts to about 70 ppm of nitrate. My assumptions can easily be off by more than a factor of two, so there easily could be a lot of nitrate.
The width of the finger might be 100 mL.
Assuming that is about 5% ammonia, you added 5 grams of ammonia which would convert into 18 grams of nitrate.
In a 65 gallon tank, that amounts to about 70 ppm of nitrate. My assumptions can easily be off by more than a factor of two, so there easily could be a lot of nitrate.