飲水機的水真的乾淨嗎?全面破解衛生迷思與清潔保養指南

飲水機是現代辦公室與家庭不可或缺的飲水設備,提供便利的同時,也潛藏衛生風險。若未定期清潔與保養,飲水機可能成為細菌與水垢的溫床,影響水質與健康。要選擇最安心、高效的飲水方案,就需要先了解飲水機的常見污染源、桶裝水的潛在問題、使用衛生建議,以及濾水式飲水機的優勢。

飲水機潛藏的衛生風險:為何定期清潔至關重要?

飲水機為我們帶來便利,但其半封閉式的設計也帶來了潛在的衛生風險。若長時間未清潔,可能會出現以下問題:

  • 生物膜(Biofilm)滋生:儲水槽及管路潮濕,為細菌及微生物提供理想生長環境,久未清洗可能形成生物膜,增加細菌存活率。
  • 水垢積聚:水中含有的礦物質(如鈣、鎂)會因反覆加熱而沉澱,形成水垢。水垢不但影響省電效能,其粗糙的表面也更容易吸附雜質和細菌。
  • 二次污染:更換桶裝水時,空氣中的灰塵、細菌有機會從瓶口進入飲水機內部。此外,出水口、接水盤等位置長期暴露在外,若無頻繁清潔,亦會成為污染源頭。

桶裝水的潛在衛生與環境風險

桶裝水雖然使用方便,卻潛藏不少衛生與環境風險。近期部分公營機構的桶裝水品質問題,更引發大眾對飲水安全的關注。以下是桶裝水常見的三大隱憂:

1. 供應鏈中的衛生風險

桶裝水的製作與配送涉及多個環節,包括水源處理、水桶回收清洗、灌裝、運輸與儲存。任何一環出現疏漏,都可能導致水質污染。例如,回收水桶若未徹底消毒,可能殘留細菌或化學物質;運輸過程若缺乏環境溫度控制,也可能促使細菌滋生。建議選用具國際認證(如 NSF 或 ISO)的供應商,並要求提供水質報告與記錄。

2. 對環境的負擔

桶裝水仰賴大量塑膠桶,製造與回收過程不但消耗資源,也產生碳排放。頻繁的送水服務更增加交通排放與物流成本。相較之下,濾水式飲水機無需更換水桶,能有效減少塑膠使用與碳足跡,是更可持續的選擇。

3. 儲存與使用中的風險

即使出廠水質合格,若儲存環境不佳或使用方式不當,仍可能影響安全性。高溫或陽光直射會加速細菌滋生;更換水桶時瓶口暴露於空氣中,易受污染;長期存放的桶裝水也可能因塑膠老化釋出微量化學物質。

小貼士:若使用桶裝水,請選擇信譽良好的供應商,並將水桶存放於陰涼乾燥處。更換水桶前可用食品級消毒劑擦拭瓶口,避免直接接觸。長遠而言,濾水式飲水機是更安全、環保的選擇。

確保飲水安全的終極解決方案

選擇信譽良好的供水商

如公司仍需使用桶裝水,務必選擇具備國際認證(如NSF、ISO)的大品牌,並確保供應商能提供清晰的水源報告和消毒記錄,切勿只以價格為單一考量。

考慮替代方案:濾水器或桌上型淨飲器

一個更為理想的長遠解決方案,是轉用直接過濾自來水的過濾式飲水機(Point-of-Use Water Dispenser)。環保水機直接連接大廈水源,通過內置的高效能濾芯(如活性碳、逆滲透RO膜)和UV殺菌系統,即時過濾,免除了桶裝水模式的二次污染風險。

飲水機衛生全攻略:從選擇、保養到日常使用

出水口設計該如何選擇?

飲水機的出水口設計直接影響使用衛生:

  • 隱藏式出水口:可減少手部或容器接觸機體,降低交叉污染風險。但若疏於清潔,隱蔽構造更易積聚水垢與細菌。
  • 外露式出水口:長期暴露於空氣中,易受灰塵、飛沫與細菌影響,需加強清潔頻率。
  • UV殺菌出水口:部分高階機型配備紫外線燈,可在出水瞬間殺滅細菌病毒,並阻截倒流污染。
  • 自動消毒功能:建議選用具備定期自動消毒機制的過濾式飲水機,例如每週以沸水清洗儲水膽與管路,並以高溫蒸汽深層消毒出水口,有助維持整體衛生。

飲水機使用及保養指引

為保障飲用水的衛生安全及飲水機的正常運作,使用者應遵循以下建議:

清潔與保養建議

  • 遵從供應商的建議,定期清潔與消毒飲水機外露部分,尤其是出水口及水機按鈕。
  • 定時排水,以減少微生物滋生及污染物在水缸及管路內積聚。
  • 定期更換濾芯、紫外光燈等關鍵部件,維持過濾與殺菌效能。

使用時的衛生注意事項

  • 避免身體部位或容器直接接觸出水口。
  • 使用水杯或水樽盛水,切勿以手或口直接接水。
  • 接水盤只可倒入清水,勿倒入其他液體或污物,並定期檢查是否有滲漏或堵塞。

禁止行為與安全提醒

  • 勿在飲水機上吐痰、洗手或清潔個人物品。
  • 如飲水機出現破損、污染或異常狀況,應立即停止使用並通知維修人員。

純淨飲用水的最佳解決方案

採用濾水式飲水機

不少企業辦公室已轉用濾水式飲水機(Point-of-Use Water Dispenser),水機直接連接自來水管,透過高效濾芯(如活性碳、逆滲透 RO 膜)與 UV 紫外線殺菌系統,即時過濾自來水源,有效去除雜質、細菌與重金屬,杜絕二次污染,並減少塑膠使用與碳足跡。

選擇具認證的供水商

若仍採用桶裝水模式,建議選擇具備國際衛生認證(如 NSF、ISO)的供應商,並要求提供水源檢測報告與消毒紀錄。切勿只看價格,忽略水質與衛生。

常見飲水機衛生問題與解答

是否需聘請專業人員清洗?

建議定期委託專業技術人員進行深度清潔與保養。使用者亦應遵循維修人員指示,進行適當的日常清潔,不但保障飲水安全,更能延長設備使用壽命。

清潔時常見錯誤有哪些?

  • 避免使用非食品級清潔劑(如漂白水),以免殘留化學物質危害健康。
  • 不宜使用硬質刷具,以免刮傷機體表面,造成細菌藏匿的微裂痕。

如何判斷飲水機需清潔?

  • 水質異常:出現異味、懸浮物或沉澱物。
  • 出水量減少:可能因水垢堵塞管道。
  • 外觀污漬:出水口或接水盤有黏滑物或頑固污漬。

專業推薦:Life Solutions 商用濾水式飲水機

若您希望全面提升飲水品質與衛生安全,Life Solutions 提供多款高效能商用濾水機,採用活性碳、RO 逆滲透及 UV 殺菌技術,有效去除水中雜質、細菌與重金屬。所有產品均通過國際認證,並已為超過 2,000 家企業提供客製化飲水解決方案,包括大型跨國企業與本地中小企。

歡迎聯絡我們,為您的辦公空間打造最安全、節能且環保的飲水機方案。

Water Filters – Did You Know? 90% Of The Time, Post-Filtered Water Is Dirtier Than Before…

Maintenance matters: when it comes to water filters, quality servicing is absolutely key.

Hong Kong-based Life Solutions has been specialising in providing safe, clean drinking water via water filtration systems for almost two decades. They service a broad range of clients, from homes and offices to large-scale events like the Rugby Sevens and even the Hong Kong International Airport. We sat down with founder Blake Ireland about how he came to start the company, why water filtration maintenance is vital, and how we can each take action to ensure that we’re consuming high-quality safe drinking water. 

GQ: How did you come to start Life Solutions?

BI: One thing that has always been a “bête noire” for me is the use of disposable plastic water bottles and the damage they do to the environment. The bottled water industry is one of the most polluting industries in the world. There is no excuse for shipping water across continents for the purposes of drinking, especially given that with proper filtration and good maintenance, we can enjoy the fresh water we have locally. Bottled water also comes at an enormous financial cost. In some cases, it is sold for higher prices than a litre of petrol. Having come from the construction trade, it was a fairly logical step for me to go into water filtration and persuade people to use these systems for drinking water, rather than buying bottles.

GQ: Maintenance is a huge part of what you offer. Why is servicing water filters so important?

BI: Much like with a car, it doesn’t matter how expensive, or high-quality it is, if you don’t maintain it properly. Take a luxury Rolls Royce, for example. You probably wouldn’t take it down to any old mechanic down the street. Instead, you’d want to take it to a Rolls Royce dealer or a licensed mechanic where they have the right machinery, they know how the car works and they have the proper parts. Maintenance in water filtration is the same thing. It doesn’t matter what type of filter or technology you use, whether it is carbon filtration, or ultraviolet (UV) sterilisation, or reverse osmosis (RO). It doesn’t matter if you buy the most expensive or the best brand, without professional maintenance, it won’t do its job properly.

GQ: How often should your filter be serviced? Does it depend on the type of water filter you have?

BI: Servicing frequency very much depends on the type of filtration you are using. RO membranes can last up to 3 years, especially if they are NSF-certified. With micro-filters, or carbon filters which are commonly used for drinking water, you may need to change it every few months, or even every month, depending on the amount of water that goes through the cartridge.

We have hospitality clients in Macau that use such high amounts of water that their carbon filters need to be replaced on a monthly basis. For businesses that use less water, filters can be changed every 6 months. It really depends on the quality of the source water, the volume of water going through the system and the capacity of the filter types

Blake Ireland Water Filtration Expert
Blake Ireland, Founder of Life Solutions & Water Filtration Expert (Source: Life Solutions)

GQ: What are some of the most common misconceptions about Hong Kong water? 

BI: There are quite a few misconceptions amongst the general public, the most prevalent of which is that Hong Kong water is not good quality. The city’s Water Supplies Department (WSD) provides water to every building well within the World Health Organisation (WHO) standards, and it’s as good as any world-class city such as London, Paris or New York

Issue arises after the water enters a building and goes into the building’s pipework system. If not maintained properly by the management of that specific building, then contamination can occur. That being said, in most cases, the city’s buildings are managed pretty well. 

Another common misconception is with the piping – many people believe that the pipes are made of lead, which then contaminates the water. In fact, the government changed all the old lead piping into copper, stainless steel or plastic quite some time ago

These misconceptions may exist because the taste of Hong Kong water isn’t particularly good. The reason for this is that the Hong Kong government like most governments, adds chlorine into the water as a disinfectant. It is required to kill harmful bacteria and viruses. In terms of quality, Hong Kong tap water is safe to drink, and the taste can be improved by removing the chlorine with filtration systems at point of use (POU), in other words just before the draw point. 

GQ: Is it true that the majority of water you test is actually dirtier than it was before?

BI: Obviously we do a lot of water testing for companies and individuals here. In fact, we provide this as a free service. When we go to a building to test an existing filtration system, we find that the water that comes out of the filtration system is dirtier than the source water. This is true for about 90% of the installed micro filtration (carbon) systems that we have tested. Usually, this is because the water filter hasn’t been changed frequently enough. This is the reason why good quality, professional maintenance is so important!

Here’s what a dirty water filter looks like (left), next to a brand new one.

GQ: How can people take action on this problem? 

BI: People can take action by getting more professional advice. In too many cases, people install systems themselves, or via their contractor, and therein lies the problem. They might not necessarily know how often to change the filter and how to maintain it. There are a number of companies in Hong Kong that provide ongoing maintenance service, of which Life Solutions is one. We proactively contact our users to let them know we need to change their filter. If anyone has a system installed and wants to know if it’s working properly, we provide free professional water testing to ensure that the water meet the WHO safety standards.

GQ: How important is water quality in terms of fighting public health threats such as the current coronavirus pandemic?

BI: I think the pandemic has shed light on maximising general hygiene, not only with water. Obviously, water is a medium in which bacteria can be communicated. Though there is no specific data regarding the transmission of Covid-19 by water, various other viruses and bacteria can be transmitted through water so it’s important to make sure that any drinking water filtration system is capable of combating these pathogens

Chlorine is an efficient way to treat water, which is why so many governments deploy it. The Hong Kong government has increased the level of chlorine since the pandemic began to ensure that if the virus does get into the water supply, the drinking water will be sufficiently disinfected. 

Another way is through UV sterilisation, and indeed RO membrane technology and nano-filtration systems are 99.9% effective at removing bacteria and potential viruses.

As always, it depends on the system you use and more importantly, it depends on a the quality and frequency of the maintenance.

GQ: You work with big event organisers like the Rugby Sevens and Clockenflap – what are the requirements for safe water on a large scale?

BI: For large events, the drinking water on the premises must comply with WHO standards for drinking water. There are certain criteria for potable water, such as a maximum amount of bacteria, metals, various chemicals and PH. Depending on the event that we are working for, we measure the water quality at that location and employ the relevant filtration system to make sure that the water complies with WHO standards.

GQ: You also work with the Hong Kong International Airport. Can you tell us more about what they require?

BI: Every one of our clients has slightly different requirements. In the case of the Hong Kong International Airport (HKIA), we have a very stringent requirement for quality. They provide systems for passengers so it’s extremely important that this is safe and of the correct quality, and that it fulfils all WHO requirements. For these we use a combination of micro-filtration and UV sterilisation to achieve the desired results. We also have a dedicated servicing team for the airport that is on call 24/7.

Walter Filter Hong Kong Water Quality
When you are washing your food, you want your water to be as clean as possible. (Source: Freepik)

For most of our other residential and corporate clients, we use membrane technology. Although it is more expensive, it does offer greater safety measures- if the water drops below a certain standard, the output will be stopped by the filtration system, the RO membrane. The drawback of such systems is that the filtration process is quite slow, so most of them require a storage tank for consistent capacity. For a client like the airport, where the system needs to generate thousands of litres of water a day, RO is not practical as they would need to have large storage tanks on tap whenever a passenger comes along and presses the button. 

GQ: From lead contamination scandals to the current epidemic, is the general public more aware about safe drinking water now than ever?

BI: A few years ago, there were high levels of lead in the water in a public housing estate that was caused by cheap lead-containing solder – the glue that is used to join together the pipes. This absolutely raised people’s awareness about water, but it may have been counterproductive. As we already discussed, there is a general misconception that government water supply is not particularly good, which isn’t true. So in some cases, these scandals have heightened a misconception when it was in fact an isolated case.

In terms of the current pandemic, it is certainly raising more awareness. People are more conscious of hygiene, whether in terms of wearing masks, washing hands, ingesting food, or water quality. This is extremely important as we live in an ever-increasingly populated world and these issues will become more, not less frequent. I hope Covid-19 serves as a wake-up call and makes us look at what we’re doing as a species, so we can change some of our habits for the better