Yup. Use a hose as well. But feeding the pots etc with Tomorite and/or Miracle Gro needs must be done with watering can. Recently bought a Karcher lance hose head with flow control button. Very handy and easy to use, particularly for higher-mounted stuff.
Extremely jealous of your irrigation assistance fluid. Iced pastis? Ooooh. Can’t do alcohol because of bloody drugs. Pah.