1st Batch Tilapia Seedlings TDS & pH Record

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1st Batch Tilapia Seedlings

DateTimeTDSObservations
2019080610307512 fish; 5 days old; Water is clean and clear; Stop pumping: 1630 - 2300
20190807140081Water is clean and clear; Stop pumping: 0900 - 1900 ; 1500 added 5L of sun-baked tap water
20190809140090Stop pumping: 2300 - 1500
20190810120093Stop pumping whole day
201908132300119On pumping: 2200 - 0730（11th）; 1630 (12th）add in 浮萍
201908171800164Water is murky; reduce water to ~15L (5 cm height) (14th); 1300 (17th) add in moss
201908181900160replaced half the water with deep green algae water, placed under sun (1100, 18th)
201908201800154Faeces removed, changed 20% water
201908281900191~ 3 mL fish feed ( 20th): finished by next day morning; ~ 4 mL fish feed (21st): finished by next day evening; changed 20% water; ~ 1mL feed dose (23th 1800 - 24th 0900, 24th 0900 - ? ); placed under sun; 2mL fish feed 1000 (26th). 檐蛇出没。~ 0.5mL fish feed 1600 (28th): Fishes float to eat.
201908311300265[29th] ~ 40 pellets feed @ 1000: Fishes float to eat; ~ 0.5mL feed @ 1700: Fishes float to eat and finished in 60 minutes; ~ 2 mosquitoes spotted @ 1800; Fishes float to breath @ 2200, 2330: due to light; [30th] ~ 0.5mL feed @ 0800: Fishes float to eat and finished in 40 minutes (15 mins: 70%, 20 mins: 90%, 30 mins: 97%); ~ 0.5mL feed @ 1455: Fishes float to eat and finished in 40 minutes (5 mins: 20%, 10 mins: 50%; 15 mins: 60%; 20 mins: 70%, 30 mins: 95%); ~ 2 mosquitoes spotted @ 1900; [31st] No feeding
201909031200336[1st] ~ 1.5ml feed @ 0745 (20 mins: 20%, 40 mins: 40%, 90 mins: 50%, 180 mins: 90%); ~ 1.0ml feed @ 1248 (10 mins: 20%, 30 mins: 30%, 60 mins: 40%, 120 mins: 90%, 180 mins: 100%); [2nd] No feeding [3rd] added "black lumps" removed from bottom of water flea box (water fleas unintentionally added along) @ 1000; ~ 1.0ml feed @ 1020 : 180 mins, 1430 : 90 mins, 1640 : 100 mins, 1930 : 30 mins, 2045 : 30 mins ;
201909031800262
201909031900258
201909032200262
201909040930263
201909041030266
201909041120275
201909041205350
201909041240359
201909041310333
201909041900275
201909050800295
201909051430341
201909052230537add brine to raise SALINITY
201909061110642added green algae water @ 1030 to make Total VOLUME = 30L (h = 10 cm); added brine to raise SALINITY; Total SUGAR = 50 mg @ 1040;
201909062045721added brine to raise SALINITY; 2 mL @ 2100, 6th;
2019090711301150added brine to raise SALINITY; Total SUGAR = 100 mg @ 1040;
20190907220011303 mL feed @ 2020; added brine to raise SALINITY;
2019090812301470added brine to raise SALINITY; 5 fishes DIED due to salinity shock (upon transfer to 100++ ppm water for length measurements)
2019090813001440
2019090813301410
2019090814001390Total SUGAR = 200 mg
2019090814301380
2019090815001380
2019090815301370
2019090816001350
2019090817001320
2019090818001290
2019090819001260
20190908213012102 mL feed @ 1930;
2019090911301490
2019091009301280Total VITAGEN = 1 mL @ 1250; 2 mL feed @ 1830; Total SUGAR = 350 mg
201909101600161010 mL feed + 3 g creamer + 7mL 0.1g/mL sucrose soln ➡ dough stuck at box wall @ 1300 (scattered immediately 😣) ; Total SUGAR = 1050 mg;
2019091119451730added brine to raise SALINITY
2019091216301820Total SUGAR = 1250 mg @ 0745; added brine to raise SALINITY
2019091314002090added brine to raise SALINITY; Total SUGAR = 1500 mg @ 1345
2019091409151770
2019091421301840Total SUGAR = 1750 mg @ 1030
2019091516002050Total SUGAR = 1950 mg @ 1015
201909161130230010 mL feed + 9.5 mL 0.1g/mL sucrose soln ➡ DOUGH, sun-baked in situ ➡ immersed @ 1845, 15th - 1100, 16th; Total SUGAR = 2900 mg ; ~ 2/3 feed DOUGH consumed by 0700; Total SUGAR = 3100 mg @ 0700; Total SUGAR = 3500 mg @ 1000; Total SUGAR = 4200 mg @ 1015;
2019091717002170Total SUGAR = 4700 mg @ 1500, 16th; Total SUGAR = 5200 mg @ 1030; Total SUGAR = 5700 mg @ 1200; Total SUGAR = 6700 mg @ 1300; Total SUGAR = 7300 mg @ 1500; Total SUGAR = 7900 mg @ 1545; added 2 mL FLOUR @ 1600; Total SUGAR = 10300 mg @ 1645, Added 6 mL FLOUR @ 1710, 17th; Total SUGAR = 15300 mg @ 1800, 17th; 4 fishes DIED by 0800 (most likely due to LACK OF OXYGEN);
DateTimepHObservations
2019080714006.2
2019080914006.3
2019081012006.6
2019081323007.61630 (12th）add in 浮萍
2019081718007.3
2019081819007.8replaced half the water with deep green algae water, put under sun
2019082018007.4
20190828190010.1
20190831130010.6
2019090312009.5
20190905143010.4
20190909123010.2
20190909163010.1Total VITAGEN = 1 mL @ 1250
2019091213009.9

Tilapia Rearing Box

DateTimeTDSObservations
201910011700730
201910021000686
201910032300705
201910051400729
201910060730645
201910081830606Huge rain during noon on 7th and 8th
201910090730572
201910100700573

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