| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| programmer1200 | "I dont know if this answers your question but I think it answers some of it . Years ago NASA did a study on plant absorbtion and filtration and the..." | Read more » | about 7 years ago | |||
| sarasage | "RKI (Riken Keiki) makes an popular 4-gas monitor, the GX-2012, which includes CO, O2 as well as CH4. The cal station doubles the cost of the equipm..." | Read more » | over 7 years ago | |||
| gretchengehrke | "There are a bunch of sensors commercially available through this vendor: https://www.grainger.com/category/ecatalog/N-1z0dwuc. Has anyone used one ..." | Read more » | over 7 years ago | |||
| warren | "@nshapiro also pointed out that it would be easier to break your pump by flooding it if you used it in the usual "push" mode. Just so I understand,..." | Read more » | over 7 years ago | |||
| lkeydavis | "My neighbor is a certified radon tester. Would you like her to contact you? " | Read more » | almost 8 years ago | |||
| jfrankamp | "I did see one on Amazon the other day and it was more like a mesh bag so it might even let roots go through it. I'm not sure it would do anything s..." | Read more » | about 8 years ago | |||
| warren | "Oh, i had another idea -- what about a water-permeable fabric drawstring bag? That'd be pretty easy to put on, but would it impede airflow? Anyhow,..." | Read more » | about 8 years ago | |||
| jfrankamp | "Re: water level, The commercial version has a low water sensor that shuts the fan off to let it try to survive. It won't resume air circulation unt..." | Read more » | about 8 years ago | |||
| warren | "Yes, i also don't know much about this, and if the airflow from the pump is enough to make it a concern... i guess any negative pressure is better ..." | Read more » | about 8 years ago | |||
| jfrankamp | "Hi! Nice to digitally meet you. I asked Nick about that when I did my build because I had the same thought. The only downside he mentioned was tha..." | Read more » | about 8 years ago |