In my experience you either give up the space for a tank and pump or you put up with weak showers. Things like the megaflow cylinders can go some way to improving things, often they are just enough if you're not desperate to have a huge shower flow rate.
In my experience you either give up the space for a tank and pump or you put up with weak showers. Things like the megaflow cylinders can go some way to improving things, often they are just enough if you're not desperate to have a huge shower flow rate.