Water reservoir filter pad size M Water filter for your coffee machine at home BWT Limescale Protectant Water Filter pad is great for any coffee machine with a water tank that you aren’t going to plumb, these water filters are placed directly into the reservoir to trap and filter contaminants. For those of us who can’t (or aren’t quite ready to) plumb our espresso machines, BWT in – tank filters are a good choice if you just need to filter the water for your machine. It will not erase limescale but for sure will slow down the danger of limescale build – up. Unpack the filter, give it a rinse and toss it into your machine. The filters require an activation time for 8 – 10 hour, so you’ll want to be sure to toss them in overnight so that they’re ready to go in the morning.
