I’m just going to link it, but you can also search for it as I stated above.
Here ya go:
Here is the one I ordered from Amazon it is for horses but correct percentage for treatment. KILLITCH (500ML) - N/A - N/A https://www.amazon.ca/dp/B002CWYUOQ/ref=cm_sw_r_cp_apan_glt_i_Y9J874VSF3SJFDVNCG6C?_encoding=UTF8&psc=1