Wet wipes, including baby wipes, make-up wipes, moist wipes, and cleaning wipes, are responsible for around half of the cases of blocked pipes from being flushed down the toilet. Avoid drain-clearance fees (around £100) by always putting them in the bin.
Source: Wipes. To Flush Or Not To Flush? @ Lanes for Drains
image: Make your own wipes: Baby wipes, make-up removing wipes, and cleaning wipes by Abi Porter under Creative Commons license
