Toxic Levels

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.

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