1.
Connect the quick coupler plug on the acid injector body
directly into the quick coupler on the end of the gun extension
where you would normally put your cleaning nozzle.
2.
Place the siphon foot strainer on the end of the plastic
tube into the container of solution.
3.
Fit appropriate angle nozzle if desired, or use thread protector
for round concentrated spray.
4.
Open gun valve and allow water to pass through injector,
then adjust the handle on the metering valve to desired
draw ratio.