When maintaining your coffee maker, sticking to completely natural products is essential for your health.
This is particularly true for coffee maker cleaning. With hot water flowing through, any leftover chemicals could end up in your cup.
To safeguard your health and your non-toxic coffee maker, I spoke to specialists to pinpoint the dangerous chemicals you should avoid during maintenance and the safer alternatives to use when that descaling indicator lights up.
Be Cautious When Maintaining Your Coffee Maker
Whether you're cleaning a drip coffee maker, the top espresso machine, or sanitizing a French press, steer clear of harsh household cleaners from your usual supplies.
Keep in mind that just because a product is labeled as suitable for your machine doesn't mean it's safe or beneficial for the quality of your coffee when brewing at home.
As with understanding non-toxic cookware labels, always check the ingredient list of your descalers to avoid harmful mixtures that could potentially damage your equipment.
Michael Cramer, a product developer, notes, 'Strong acids like sulfamic, hydrochloric, and phosphoric are commonly found in commercial descalers because they effectively eliminate mineral buildup. However, they can also corrode internal metal and rubber components if frequently used or at high concentrations. These acids must be rinsed thoroughly, as any residue will negatively impact the coffee's flavor.'
Harmful Chemicals to Avoid in Your Coffee Maker
These guidelines apply regardless of what coffee maker you use.
According to Onome Warfield, a co-founder of a coffee company, here are three toxic chemicals to watch out for:
- Sulfamic acid: Common in coffee machine cleaners, sulfamic acid is also frequently found in toilet bowl cleaners and other bathroom products. Avoid using it for anything food-related, as it can irritate the gastrointestinal tract and damage rubber seals. This is a definite no when it comes to food and beverage appliances.
- Hydrochloric acid: This corrosive substance is far too hazardous for home brewing machines. Even small amounts not fully rinsed can present significant health risks, as noted by the EPA. Its extreme acidity makes it completely inappropriate for food-related tasks.
- Harsh synthetic detergents/soaps: These products are unsuitable for coffee equipment. Residue can linger and negatively impact both your health and your coffee's flavor. Soap-flavored coffee? Not appealing. This is another hard no.
Safer Cleaning Products to Consider
These principles also apply to cleaning non-mechanical coffee makers.
When searching for non-toxic cleaning solutions for coffee makers, Onome emphasizes the need to choose food-safe descalers with biodegradable ingredients specifically designed for coffee machines.
'These options are often ideal due to their low toxicity, effectiveness, and ease of use, as well as their ability to descale without leaving unwanted residue or off-tastes. Just follow the product instructions carefully,' she advises.
- Citric acid-based descalers: These are my go-to for non-toxic cleaning products formulated for descaling. They're typically gentle, food-safe, and highly recommended when used as directed. For instance, the Active Coffee Machine Cleaner and Descaler available at Walmart is a great choice, as it contains water and citric acid.
- Lactic acid-based descalers: These are another effective option when used as directed, being low in toxicity and safe for coffee equipment. We recommend the New England Stories Descaling Solution from Amazon, made with 100% plant-based lactic acid.
While vinegar is often considered a non-toxic option for descaling, Onome advises against it.
'Although vinegar isn't as hazardous as the previously mentioned chemicals, it can harm rubber seals over time and is challenging to rinse completely, often leaving behind a vinegar smell that can affect the taste of coffee,' she explains.
Thus, distilled white vinegar from Walmart can be used sparingly when absolutely necessary, but it's best to avoid it if possible.
Common Questions
Why does my coffee taste strange after cleaning?
A peculiar flavor might stem from cleaning products remaining in the machine's internal components. Always flush the machine before brewing your next cup.
Onome recommends running two to three cycles with plain filtered water to eliminate any residue. If possible, disassemble parts to allow airflow and reduce mold and bacteria risk.
About the Experts
Onome manages operations at a coffee company, overseeing roasters with over 30 years of experience in crafting precision coffee. She is dedicated to health and safety, ensuring all processes adhere to high standards.
Michael founded a coffee company after starting his sister business, focusing on small-batch roasting methods that highlight each bean's character. He prioritizes safety in coffee preparation and machinery, ensuring every cup meets high quality standards.
With your cleaning routine sorted, consider picking up some essential coffee bar items to enhance your home brewing experience.
