Rivers, oceans, lakes, aquifers, groundwater, stormwater, urban canals, underground streams, estuaries, and more -- we are passionate about water quality! This page will help you find resources to explore the waterbodies you care about, and connect with other people who have the same interests: ### Questions on Water Quality: [questions:water-quality] **** ## Monitoring * [Water sampling](/water-sampling) * [Water sensors](/water-sensors) * Posts on #water-monitoring * Posts on #water-testing * Posts on #reagents ## Water quality parameters Read about different water quality parameters here, including pH, nitrogen, conductivity, temperature, ORP and turbidity: * https://publiclab.org/common-water-contaminants Also see this overview of 7 ways to monitorn water quality: * https://publiclab.org/notes/anngneal/12-08-2017/7-ways-to-measure-monitor-and-evaluate-water-quality ## Groups and projects working on water quality issues: [wikis:project:water-quality] **** ## Water quality related pages [wikis:parent:water-quality] **** ## Activities [activities:water-quality]...
| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| rockets | "@MadTinker I think you can use that, but if you have a power bank, that also working. " | Read more » | over 7 years ago | |||
| MadTinker | "@shantler I'm probably missing something, but the battery shown in the link in the components list doesn't look like the battery in the pictures ab..." | Read more » | over 7 years ago | |||
| MadTinker | "@shantler @rockets FWIW- came home today with a mailbox literally full of 'stuff'. Also, many thanks for the loan. I have to track down my Riffle o..." | Read more » | over 7 years ago | |||
| gretchengehrke | "@mienaikoe, This is so cool! How quickly can you process a liter of sea water? Also, you mentioned in your imgur post that you reversed the current..." | Read more » | over 7 years ago | |||
| MadTinker | "@liz Sounds great. I think there are three parts and I'll probably ask for advice on posting as things develop: the build, the deployment, and the ..." | Read more » | over 7 years ago | |||
| liz | "Hi @madtinker, oh there's interest! as @shanlter said, the best place to document your build is by clicking the blue button "Click here to replicat..." | Read more » | over 7 years ago | |||
| shanlter | "@MadTinker, awesome!! I'm trying to get familiar with Public Lab's logic as well, I guess the best way to document is by replicating an activity? A..." | Read more » | over 7 years ago | |||
| MadTinker | "@shantler @rockets et al... FWIW - I ordered the (majority) of the parts needed for a KnowFlow related system (sans the DO sensor and the enclosure..." | Read more » | over 7 years ago | |||
| MadTinker | "@gretchengehrke Thanks! That's kinda what I thought, but wasn't sure. I'll likely end up with both since the professional measurement suite has his..." | Read more » | over 7 years ago | |||
| gretchengehrke | "Hi @MadTinker, oxidation-reduction potential (ORP) and power of hydrogen (pH) measure different chemical properties: ORP provides information about..." | Read more » | over 7 years ago | |||
| liz | "Hi @xose , @shantler did create a method page, and this now appears there as an activity! Check it out: https://publiclab.org/wiki/knowflow " | Read more » | over 7 years ago | |||
| MadTinker | "@rockets Thanks for the summary. I thought I was going to have to move in a different direction, but this clears things up. Cheers. " | Read more » | over 7 years ago | |||
| ramarro | "@shanlter i havent wrote anything about my project its just an hobbies for my aquarium :) @rockets I am using my project to control my reef aquar..." | Read more » | over 7 years ago | |||
| rockets | " DFR0504_Analog_Isolation_Module-V1.0-_Schematic.pdf here is the schematic of the isolator. " | Read more » | over 7 years ago | |||
| shanlter | "Thanks @rockets! I hope this could help answering your questions, @ramarro. btw, The GUI of your controller looks so nice! Where can I learn more a..." | Read more » | over 7 years ago | |||
| rockets | "I just try translate youyou's answer into english. Q:The parts for the KnowFlow-esque are going to be ordered from DFRobot and was wondering if yo..." | Read more » | over 7 years ago | |||
| ramarro | "@shanlter i think that DFR EC will be better than what i use, at least after a brief look to the circuit. i will order one, and try it as well, if ..." | Read more » | over 7 years ago | |||
| shanlter | "Yes, you got it :) @MadTinker If you want to use DFRobot's EC sensor, you'd better test your sample with a TDS pen first (which only costs several ..." | Read more » | over 7 years ago | |||
| shanlter | "@ramarro, you tried so many stuff! Thanks for the info on EC, I am learning it. Lots of the questions you mentioned I don't know the answer, I aske..." | Read more » | over 7 years ago | |||
| MadTinker | "@shanlter @ramarro Dang, got lost in the comments .... my bad. " | Read more » | over 7 years ago | |||
| ramarro | "@MadTinker, @shanlter use DFRobot EC probe. I am using EC_mini_v31 we are two different person :) using 2 different devices for a similar project..." | Read more » | over 7 years ago | |||
| MadTinker | "@shanlter A little confused about what you used for EC. The KnowFlow spec sheets indicates a DFRobot EC sensor, but in the above you indicate som..." | Read more » | over 7 years ago | |||
| ramarro | "i forget to add some details :) even if you use 2 arduino, at least in my scenario, and u want them communicate in some way, you have to use a com..." | Read more » | over 7 years ago | |||
| ramarro | "@shanlter using 2 arduino (or 20) doesn't change anything, unless you use galvanically isulated ac/dc converter. if you power them from the same s..." | Read more » | over 7 years ago |