Water Quality Parameters |
|
|
|
|
Optimal Range for Shrimp |
Water |
|
|
Oxygen |
ppm |
> 4.0 (anytime, on the bottom) |
Water temperature |
C |
28 to 34 |
pH |
|
7.2 to 8.3 |
Carbon:Nitrogen:Phosphorus |
Ratio |
100 : 20 : 5 |
Secchi disc, % of pond depth |
cm |
1 m pond = 35%-40%
4 m pond =25% |
Salinity |
ppt |
P.mon = 15 -25ppt;
P.van = 5 -36ppt |
Phytoplankton count |
cells/ml |
300,000 to 800,000 |
Ammonia (NH3-N) |
ppm |
FW = < 0.02 ppm;
SW = < 0.13 ppm |
Nitrite-N |
ppm |
FW = < 0.03 ppm;
SW = < 0.84 ppm |
Nitrate-N |
ppm |
FW = < 0.25 ppm;
SW = < 1.8 ppm |
Phosphates |
ppm |
Liner: 1.5 - 2.5 ppm:
Soil: 0.3 - 1.0 ppm |
Alkalinity, as CaCO3 |
ppm |
75 - 200 ppm |
Calcium Hardness, as CaCO3 |
ppm |
> 100 ppm |
Hydrogen sulfide |
ppm |
< 0.002 |
|
|
|
FW= Fresh water |
|
|
SW= Salt water |
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|
|
|
|
Soil Quality Parameters |
|
|
|
|
Optimal Range for Shrimp |
Soil |
|
|
pH |
|
7.0 - 8.0 |
Organic matter |
% |
< 3 |
