How to to collect a stool sample using the flushable HyStool® stool sample collection device. Unlike the paper based alternatives HyStool® can actually be flushed away safely after use. Unlike the paper devices it breaks down in water and is both biodegradable and environmentally friendly. This is the ideal solution for for collecting stool - poo samples for medical tests such as bowel cancer screening, crohn's disease, and ibs.