openwater
openwater


Author Comment Last activity Moderation
amocorro "@eymund, I know this is an older project -- though I really enjoy reading and listening to the stories! Really fascinating. Do you have a step-by-s..." | Read more » over 3 years ago
donblair "Hi @gretchengehrke! Sorry for the much-delayed reply :) and thanks for the comment. I, too, liked this approach -- basically, using the differenc..." | Read more » over 6 years ago
gretchengehrke "@donblair, I was just reading this again, and am again impressed by your elegantly simple approach -- such a great idea! It seems like this alterna..." | Read more » over 6 years ago
warren "Hi, Gretchen - do you have some examples of when and where this technique has been successfully used by folks? Thanks! " | Read more » almost 7 years ago
jesseslone "@donblair I noticed you have a more recent post about turbidity, I was wondering if you would choose a different light sensor than the Adafruit one..." | Read more » over 7 years ago
warren "I've submitted a bug report with steps to fix: https://github.com/publiclab/plots2/issues/885 -- sorry! " | Read more » over 7 years ago
warren "I'm actually having trouble editing this page -- must be a bug due to it being "converted" to a question instead of being one from the start. " | Read more » over 7 years ago
warren "Actually i haven't tried marking a question as an activity; i guess it works? Maybe not a good practice? I dunno -- new territory for us! As to you..." | Read more » over 7 years ago
pdhixenbaugh "Also: I'm not sure if you're testing (1) Hot Tap Water vs Cold Tap Water, or (2) Hot Tap Water vs. Hot Tap Water which has cooled down. Put another..." | Read more » over 7 years ago
pdhixenbaugh "So both questions and research notes can be marked as an activity? And at some point, folks replicating the activity can post their answers? I like..." | Read more » over 7 years ago
eustatic "DoJ allowed monitoring as a Supplemental Environmental Project (in lieu of fees)? I've heard the opposite. Was it citizen or government, or third..." | Read more » over 7 years ago
warren "I renamed this and converted it to a "Question" in the new Q&A system " | Read more » over 7 years ago
donblair "Yes, nice! In the picture, it looks like one could place a little cuvette right there in the middle and assess the turbidity :) " | Read more » over 8 years ago
warren "At the Somerville coworking yesterday it occurred to me how similar this is to the optical particulate monitor designs! http://publiclab.org/notes..." | Read more » over 8 years ago
cfastie "This looks very promising. There are a couple of controls that might add a lot to the interpretability of your tests. 1) With the water bottle in ..." | Read more » over 8 years ago
mathew "real clever thinking! " | Read more » over 8 years ago
gretchengehrke "Please post pictures in the comment section that are good example photos. I intend to put this information into a wiki page soon, and would love t..." | Read more » over 8 years ago
GreenChemist "Hi Warren, Thanks. I am a chemical engineer who always worked in Medical and Safety industries. Currently I am looking for a new position anywhere ..." | Read more » almost 9 years ago
warren "It's a good point -- esp. always to be sure that the scope of the test is clear. The idea here was more exploratory, but in general this kind of co..." | Read more » almost 9 years ago
GreenChemist "Hi Warren, Indeed the test would not find the bacteria, you need a polymerase chain reaction (a PCR test), or grow a culture. I am not sure if this..." | Read more » almost 9 years ago
warren "Hi, Don - sorry, you never wrote back so I hadn't changed the title until now - it now says "Coqui" only - thanks. The conclusion you draw: it s..." | Read more » almost 9 years ago
GreenChemist "Hi Warren, I am new at this, so maybe I missing the ball, but isn't one of the reason why not to drink from the hot tap the possible presence of L..." | Read more » almost 9 years ago
mathew "@Guillaume123 I'm using silicone to seal the sensor in the tube, but I really want to be able to get in and out of the bottle without re-sealing it..." | Read more » over 9 years ago
Guillaume123 "If I were doing this I would use easily obtainable silicone rubber to act as a seal and as a mechanical protection. Guillaume123 " | Read more » over 9 years ago