Easily dispense medications, fertilizers, fungicides, pesticides, disinfectants and algaecides with the 12-1% Dosmatic MiniDos Injector. Powered by water pressure, the injector installs directly in your water supply line. Easy to install and maintain, this injector is ideal for low-mid-flow injection applications. Includes a suction hose and filter, mounting bracket and wear parts kit.
Used this in fish room to pre-dose water treatments for chlorine when doing water changes to 100 plus tanks.
https://www.qcsupply.com/120895-dosmatic-the-minidos-1.html?gclid=EAIaIQobChMIha7b0cPr4QIVg0CGCh17rQkqEAQYASABEgKvRPD_BwE
Asking $50
Sold