True, but that was 440 litres, not a single bottle for personal use.
Yeah, it was much more than you'd buy in a pharmacy - we still have to be careful though, just in case the products are likely to be misused.
Although it might seem like a stupid thing to do, it's surprising the number of people who come back to the same pharmacy counter every week to buy the same product - we can refuse to serve them if we believe they do not have a genuine reason to purchase it.
A few years ago, there was a man who came in every 2 weeks like clockwork to buy a large bottle of Benylin Original for dry coughs - no one should need that much cough medicine and especially not all year round.
Most pharmacies have also now stopped selling bottles of citric acid, because it can be used for drugs, even though the majority of people plan to use it for cooking!