The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster (Homarus gammarus, L.) Larvae

Table 2

Water quality parameters sampled, analytical methods, and frequency of testing for each.

Parameters	Method of analysis	Frequency of testing
Dissolved oxygen	OxyGuard probe	Recorded daily
Temperature	OxyGuard probe	Recorded daily
Salinity	Seawater refractometer	0, 2, 4, 6, 8, 10, 12, 14, and 15 DPS
pH	Hach 2100Q probe	0, 2, 4, 6, 8, 10, 12, 14, and 15 DPS
Total ammonia nitrogen	Spectrophotometry	0, 2, 4, 6, 8, 10, 12, 14, and 15 DPS
Nitrite nitrogen	Spectrophotometry	0, 2, 4, 6, 8, 10, 12, 14, and 15 DPS
Nitrate nitrogen	Spectrophotometry	0, 2, 4, 6, 8, 10, 12, 14, and 15 DPS
Turbidity	Turbidmeter	0, 3, 7, 11, and 15 DPS
Ultraviolet transmittance	UV spectrophotometry	0, 3, 7, 11, and 15 DPS
Microbial abundance	Flow cytometry	0, 3, 7, 11, and 15 DPS
BOD5	Potentiometry/O2 probe	0, 9, and 15 DPS
COD	Spectrophotometry	0, 9, and 15 DPS

DPS: days poststocking.