Glass Cleaning 101

Full place setting with cutlery

Humans have been making glass for 3500 years, with the earliest known examples found in Egypt dating from about 1350 BC. Smears and cloudy glasses wouldn’t have been too much of a problem for them however, as it was the Romans who pioneered the creation of transparent glass – so they could show off the colour of their wine.  

If the Romans could manage having lovely clear glasses to drink from, then there’s no reason that you shouldn’t be able to as well. What would be really fantastic is if someone would put together a fool-proof guide to looking after your glassware that covered the glasses’ entire journey, so you can keep it looking like new.

Well luckily, that’s exactly what we’ve done.


We’ll start with using your glasses. You won’t need too much help here, but something to remember is that the irregular structure of glass is what makes it clear, but also makes it extremely susceptible to something called ‘thermal shock’. This may sound like a terrible late night action movie, but it is in fact the term for when the glass changes temperature too rapidly and tries to expand or contract unevenly – causing it to crack. So, remember not to use your glasses for boiling or very hot liquids, unless the manufacturer specifically says you can. If your glasses chip or crack then it’s the end of the line for them, and we recommend that you don’t keep using them. Not only can very small glass fragments get into your drink (and more importantly, you) but these cracks harbor bacteria and germs that are very difficult to get rid of, even in a dishwasher.


When you put your glasses in the dishwasher, load them onto the top rack, away from any other dishes. To fit taller glasses, or glasses that have a stem, you may have to lower the rack to make space. It’s also important to ensure they’re not touching each other, as this could cause them to crack as they knock together. To always get the best results from your wash, make sure to use Finish Quantum Maxas well as Finish Rinse Aid Shine & Protect. Quantum Max gives your glasses a great clean whilst protecting them from permanent cloudiness thanks to its unique glass protect action, which neutralises the compounds that cause cloudiness over time. Rinse aid helps to get rid of spots and marks on your glasses so you don’t have to wash them again, or even wipe away any spots after the cycle is over.


When it comes to storing glasses there are two camps: lip up and lip down. Having the glass rest on its lip avoids dust and other nasties settling in the glass, but having it stand on its base means the part that you drink from doesn’t get contaminated by the bottom of a cupboard, and runs less risk of getting chipped. What we would suggest is using a thin, clean cloth to line the bottom of a cupboard before placing the glasses lip down on to it. This prevents any dirt or damage from getting to the glass’s rim, but also doesn’t leave a space for dirt and dust to settle. It may be space intensive, but avoid stacking glasses if you can, as this can create chips, scratches or even a vacuum, preventing them from being pulled apart.

So there you have it, just a few simple things to keep in mind when looking after your glasses to ensure that they stay looking fit for an emperor.