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西贡鼠 SAIGONNEZUMI

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You are here: Home / Archives for Clean Technology

Clean Technology

Temperature Inversion Pollution in Saigon

Wednesday, December 12, 2018 By kevmille

This morning Saigon suffered yet another bad air morning with the AQI (air quality indicator) at 162 (50 AQI and below is healthy). With cooler weather, the air pollution in Saigon tends to get worse in the morning due to temperature inversions. What is Temperature Inversion? Temperature inversion is when the surface air temperature is cooler then the air above it (air is … [Read more...] about Temperature Inversion Pollution in Saigon

Changing BlueAir HEPA filter

Tuesday, May 22, 2018 By kevmille

You are supposed to change your BlueAir HEPA filter every 6 months. There is a display that tells you when to change it. I decided to see how long I could use my HEPA filter before changing it. I judged the effectiveness using my AirVisual Node. Today my air purifier finally struggled jeep my bedroom below 50 AQI. Hence I changed the filter today. Below is my HEPA filter … [Read more...] about Changing BlueAir HEPA filter

Recycling in Saigon

Saturday, March 17, 2018 By kevmille

You always see workers gathering recyclables in Saigon. There are small privately owned centers in the city. Sometimes you will see workers meet in one area to aggregate what they collected. They will deliver these items just down Vinh Khánh street in District 4. … [Read more...] about Recycling in Saigon

Coming soon: DIY Air Purifier in Vietnam

Thursday, March 15, 2018 By kevmille

Nearly ready for purchases. Just waiting on our new fan design and HEPA filters. Currently the unit will use a Senko fan. Senko DIY air purifier with hepa filter. LaserEgg next to it. Coming soon. As of July, 2018, we were not able to register a company to sell HEPA filters in Vietnam. To stay under the radar, it is best to order the HEPA filters directly from SmartAir and … [Read more...] about Coming soon: DIY Air Purifier in Vietnam

More bottled water tests

Saturday, February 24, 2018 By kevmille

Aquafina tds / ppm water quality test

At the request of people, I decided to do a TDS test of four more brands of bottled water that you can buy in Saigon. Please note, as some people will emphasis, I am just doing a TDS test to decide how pure the water is. For purposes of this test, anything below 50 ppm indicates the water has been purified an "most likely" safe to drink. My last water quality article provides … [Read more...] about More bottled water tests

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