A fluid-additive delivery system for addition of a fluid additive to a fluid flowing in a piping, comprising: a fluid motor, said fluid motor having a fluid inlet and a fluid outlet, said fluid motor adapted to receive said fluid from said piping at said fluid inlet, said fluid motor adapted to expel said fluid at said fluid output, and said fluid motor having an output shaft rotatably driven by said fluid moving between said fluid inlet and said fluid output; a reservoir of fluid additive characterized in that the system further comprises: a speed sensor adapted to be associated with said output shaft, said speed sensor adapted to provide a signal indicative of rotational speed of said output shaft; a computer adapted to receive the signal from the speed sensor; an electricity generation and storage system, said electricity generation and storage system comprising a direct current generator and an electrical battery, said direct current generator adapted to be driven by said output shaft, said direct current generator adapted to provide electricity to said electrical battery; an additive pump; a clutch adapted to be associated with the output shaft, said clutch adapted to engage a shaft of the additive pump upon activation by the computer; a flow meter (124; 202); said additive pump adapted to be rotatably driven by said output shaft upon engagement by said clutch, said additive pump in fluid communication with the reservoir of fluid additive and adapted to pump said fluid additive to the flow meter; and said flow meter (124; 202) having a meter input adapted for fluid communication with said additive pump, said flow meter having a meter output adapted for fluid communication of said fluid additive to said fluid in said piping, said flow meter adapted to provide a signal to said computer indicative of the actual flow rate from said additive pump. a fluid motor, said fluid motor having a fluid inlet and a fluid outlet, said fluid motor adapted to receive said fluid from said piping at said fluid inlet, said fluid motor adapted to expel said fluid at said fluid output, and said fluid motor having an output shaft rotatably driven by said fluid moving between said fluid inlet and said fluid output; a reservoir of fluid additive characterized in that the system further comprises: a speed sensor adapted to be associated with said output shaft, said speed sensor adapted to provide a signal indicative of rotational speed of said output shaft; a computer adapted to receive the signal from the speed sensor; an electricity generation and storage system, said electricity generation and storage system comprising a direct current generator and an electrical battery, said direct current generator adapted to be driven by said output shaft, said direct current generator adapted to provide electricity to said electrical battery; an additive pump; a clutch adapted to be associated with the output shaft, said clutch adapted to engage a shaft of the additive pump upon activation by the computer; a flow meter (124; 202); said additive pump adapted to be rotatably driven by said output shaft upon engagement by said clutch, said additive pump in fluid communication with the reservoir of fluid additive and adapted to pump said fluid additive to the flow meter; and said flow meter (124; 202) having a meter input adapted for fluid communication with said additive pump, said flow meter having a meter output adapted for fluid communication of said fluid additive to said fluid in said piping, said flow meter adapted to provide a signal to said computer indicative of the actual flow rate from said additive pump. a speed sensor adapted to be associated with said output shaft, said speed sensor adapted to provide a signal indicative of rotational speed of said output shaft; a computer adapted to receive the signal from the speed sensor; an electricity generation and storage system, said electricity generation and storage system comprising a direct current generator and an electrical battery, said direct current generator adapted to be driven by said output shaft, said direct current generator adapted to provide electricity to said electrical battery; an additive pump; a clutch adapted to be associated with the output shaft, said clutch adapted to engage a shaft of the additive pump upon activation by the computer; a flow meter (124; 202); said additive pump adapted to be rotatably driven by said output shaft upon engagement by said clutch, said additive pump in fluid communication with the reservoir of fluid additive and adapted to pump said fluid additive to the flow meter; and said flow meter (124; 202) having a meter input adapted for fluid communication with said additive pump, said flow meter having a meter output adapted for fluid communication of said fluid additive to said fluid in said piping, said flow meter adapted to provide a signal to said computer indicative of the actual flow rate from said additive pump.