Hello all! I'm at a loss right now, and hope all out there can share your experience please. I have two toilets, and in one of them I'm installing a 1.8m bath. I also run hot water piping to all the sinks, bathrooms' and kitchen's. Question 1: How much storage should I get? I'm currently looking at a 68L Joven heater. Is that enough? Should I get a 91L instead or would that be an overkill? Question 2: Should I install 1 or 2 storage heater? Will I suffer from a substantially lowered pressure if both bathrooms shower at the same time? If I get 2 (1 to master bathroom, 1 to common bathroom and kitchen), what kind of capacity combo should I be looking at? Thank you!