| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| MadTinker | "Ran across this article that discusses at a high level the relationship between salinity, TDS, and conductivity. Reference . It specifically mentio..." | Read more » | over 6 years ago | |||
| Ag8n | "Try to avoid using blue water solutions, at least without doing some testing. The compact florescent lamps (CFL) loose intensity at the blue and o..." | Read more » | over 6 years ago | |||
| Ag8n | "Yes, it can. You need to go to the spectrometer page for more information. It will show how to set up cuvette s to hold water and what to use as ..." | Read more » | over 6 years ago | |||
| Bobibi | "Yes. Biochar in manure, compost, and anaerobic digesters helps eliminate odors as well as reduce greenhouse gas emissions. " | Read more » | over 6 years ago | |||
| cfastie | "Whoops, I spoke too soon. The free offer at fluxguard is for "75 pages," but that means checking a page 75 times. So if I check the page every 15 m..." | Read more » | almost 7 years ago | |||
| cfastie | "Thanks Gretchen, I checked out versionista and they will check a site only three times a day. Nick suggested fluxguard which can check every 15 min..." | Read more » | almost 7 years ago | |||
| cfastie | "Thanks Nick, I just tested fluxguard and it works great. The test was on my own site (they are not spraying for mosquitoes now) but there is no ind..." | Read more » | almost 7 years ago | |||
| cfastie | "If that model is modified to allow for the components and the ribbon, it should be done so the new underside surfaces are not horizontal. FDM print..." | Read more » | almost 7 years ago | |||
| briandegger | "Maybe colour of liquid compared to distilled water/plain iron water. Qn example: Dissolved tannins give water a brown hue. " | Read more » | almost 7 years ago | |||
| warren | "Although that's not the right piece -- we actually need the wider adapter; i think Richard was just saying he thought the camera interface was modi..." | Read more » | almost 7 years ago | |||
| warren | "Richard from OpenFlexure has proposed this piece, although I'm not sure it's compatible with both cameras -- https://github.com/rwb27/openflexure_m..." | Read more » | almost 7 years ago | |||
| stoft | "Since H2O is a colorless fluid, 'color' appears not to be the correct intent of the question. The author would need to clarify the objective. " | Read more » | almost 7 years ago | |||
| liz | "Thinking about the newsletter comment above from @MDizzia and the in-progress longterm segue off of GoogleGroups, perhaps upon signup to the websit..." | Read more » | almost 7 years ago | |||
| zengirl2 | "I think a fun way is using these Leaf Pack kits. " | Read more » | almost 7 years ago | |||
| Bronwen | "You might like some of the work that North Brooklyn Boat Club has been doing in their Ed Shed. They also have a nice workbook designed for kids tha..." | Read more » | almost 7 years ago | |||
| Ag8n | "There is a book " standard methods for the examination of water and waste water" that goes over most testing. The best suggestion is to talk to th..." | Read more » | almost 7 years ago | |||
| MadTinker | "Confirm? Hmmm... well, I have two data points, both of which coincidently use the same multiplier on EC to get TDS. From discussions with folks wh..." | Read more » | almost 7 years ago | |||
| warren | "@stevie - maybe this could at some point be a good kit for students to use? Pretty cool, @MadTinker !! Interestingly the TDS pen also converts to ..." | Read more » | almost 7 years ago | |||
| warren | "And just connecting back to @marlokeno's question from a little ways back: https://publiclab.org/questions/marlokeno/09-02-2017/how-can-the-public..." | Read more » | almost 7 years ago | |||
| warren | "This is relatively close to your question, or at least related! https://publiclab.org/questions/warren/02-01-2018/is-there-a-way-to-view-epa-s-tox..." | Read more » | almost 7 years ago | |||
| gretchengehrke | "Hi @cfastie, I'm not sure when EDGI's software website monitoring software will be available for public use (our developers are working really hard..." | Read more » | almost 7 years ago | |||
| stevie | "I've noticed there are a couple different methods for monitoring turbidity: Secchi disks: where users putting a disk into a body of water and mea..." | Read more » | almost 7 years ago | |||
| stevie | "Here are neat instructions on constructing a turbidity tube by Elizabeth Myre & Ryan Shaw:: http://www.virginia.edu/blandy/blandy_web/education..." | Read more » | almost 7 years ago | |||
| MadTinker | "An quick update: The TDS sensor from DFRobots performs as describes. Very easy to connect to the MiniPearl logger. In general, it collects a voltag..." | Read more » | almost 7 years ago |