Aside from using Puly Caff for backflushing and cleaning baskets etc. is it ok / safe to use on other things like a sink tap head i.e. making up a litre solution and letting it soak in it for 15 mins or so?
Inchant Modern Bathroom Kitchen Faucet Pull-Out Spray Head Universal ½-Inch Faucet Head Replacement Part,Polished Chrome