Can overfeeding raise Nitrates, but not ammonia? - The Planted Tank Forum
 
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post #1 of 2 (permalink) Old 12-01-2005, 03:10 AM Thread Starter
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Can overfeeding raise Nitrates, but not ammonia?

Iím wondering if overfeeding can cause nitrates to rise, without creating any ammonia? The reason Iím asking is that my nitrates seem to be very high this week with someone else feeding. Hardware can be found in the sig.
Here is what Iíve done this week:
Sunday: 50% WC, let water circulate for 4 hours, and tested
PH 6.8
Ammonia 0
Nitrite 0
Nitrate 1
kH 9 degrees
phosphate .1
So I dosed the following:
KNO3 2.8 gr.
KH2PO4 .2 gr
K2SO4 4.5 gr
Plantex CSM + B + Fe 12gr
Monday: Nothing had a power outage that lasted into the night.
Tuesday: 1/8th tsp Plantex CSM + B
Wednesday: tested
pH 6.8
Ammonia 0
Nitrite 0
Nitrate 40
kH 8 degrees
phosphate .5
According to Chuckís calculator the amount of KNO3 I added should give me 9 ppm in 50 gallons of water. The only other variables were the power outage, and the person feeding.

Anyone have any ideas?

Thanks
Walter

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post #2 of 2 (permalink) Old 12-01-2005, 03:19 AM
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just the normal work-day for bacteria. the ammonia is created, just at a non-measureable amount, and quickly converted to Nitrites and then to Nitrates. so, the Nitrates add up over time.

Ammonia is created, just not there long enough to see the effect.

Cliff
450g Planted Discus Tank - Work in Process!
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