A bath uses 120 litres and a shower 80 litres of water. When used, this water is called greywater. You pay for it, and then you probably send it all to waste. A Greywater System will use this water to irrigate your garden, saving you a substantial portion of your water bill. Get a quote for a greywater system, water tanks, rainwater harvesting system and other water conservation systems.
You’ve already paid for it so why flush it down the drain?