NS Series Super SPO

for grow-outs

NS Series ER-49

for pond preparation

                          Home Up Contact Us Products Feedback       

Toxic Levels

Home
Up

 

 

Introducing:

 

N S   S E R I E S

 Mega SPO   

with

Thiobacillus denitrificans

&

Paraccocus denitrificans

for

High Density

Prawn & Fish Culture

 

 

 


 

Toxic Levels of Common Water Quality Parameters (All measurements in ppm) In Prawn Farming

Ammonia (Unionized) Nitrite Nitrate Oxygen
  NH3N NO2N NO3N O2
SAFE 0.000 0.0 0.0 10.0
0.030 0.05 50.0 6.0
0.031 0.6 51.0 5.9
STRESS 0.10 1.0 200.0 4.0
0.101 1.1 201.0 3.9
DEADLY 10.0 4.0 500.0 0

 

Concentration of unionized ammonia at various concentration of total ammonia and pH

 

 *Numbers in ppm (parts per million) unionized ammonia nitrogen (NH3N). Values calculated for water 250 C or 770 F. These values will change slightly with changes in water temperature.

 


                      

Home ] Up ]

Copyright 1988 - 2004 Nutri-Systems International, Inc. All rights reserved.

All products listed on this site are either registered trademarks or trademarks of

Nutri-Systems International, Inc. in the Philippines and/or other countries. 

Send mail to webmaster@nsspo.com with questions or comments about this web site.