TANK CULTURE OF TILAPIA 



51 



Appendix T.\ble 7.- 

 healing experiment, 

 August 27, 1959 



-Hydroqen-ion (pH) 

 determined weekly. 



values during 

 January 16- 



Appendix Table 7. — Hydrogen-ion ipH) values during 

 heating experiment, determined weekly, January 16- 

 August 27, 1959 — Continued 



Appendix Table 8. — Hydrogen-ion (pH) values in brackish- 

 and fresh-water tanks during salinity-spawning experiment, 

 August 6-September 2J,, 1959 



