*Grading fish/prawn by size, moving them to bigger tanks/cages/ponds. *Perform standard tests on water samples to determine oxygen and ammonia content as well
*Grading fish/prawn by size, moving them to bigger tanks/cages/ponds. *Perform standard tests on water samples to determine oxygen and ammonia content as well
*Grading fish/prawn by size, moving them to bigger tanks/cages/ponds. *Perform standard tests on water samples to determine oxygen and ammonia content as well
*Grading fish/prawn by size, moving them to bigger tanks/cages/ponds. *Perform standard tests on water samples to determine oxygen and ammonia content as well
*Grading fish/prawn by size, moving them to bigger tanks/cages/ponds. *Perform standard tests on water samples to determine oxygen and ammonia content as well
*Grading fish/prawn by size, moving them to bigger tanks/cages/ponds. *Perform standard tests on water samples to determine oxygen and ammonia content as well