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

wrote:
http://afs.allenpress.com/perlserv/?...F%3E2.0.CO%3B2

http://www.ncbi.nlm.nih.gov/entrez/q...&dopt=Citation

http://md1.csa.com/partners/viewreco...etc 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:
http://groups.google.com/group/The-Freshwater-Aquarium
Did you read the FAQ? http://faq.thekrib.com