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Old 29-03-2007, 08:51 AM posted to rec.aquaria.freshwater.plants
Altum[_3_] Altum[_3_] is offline
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First recorded activity by GardenBanter: Mar 2007
Posts: 23
Default NO3 and NH4 toxicity

wrote: ookie=yes

Seems that very high levels of NO3 from KNO3 would be required to harm
fish but very very small amounts of NH4.

So is providing more fish a better way to add N vs KNO3?

I think the limited oxygen exchange capacity and high oxygen demand of
planted tanks at night is an even better argument for using KNO3 for
nitrogen-hungry plants rather than overstocking.

My other fish and pond forum is:
Did you read the FAQ?