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 | ||
|---|---|---|---|---|---|
| shanlter | "Hi @MadTinker, I was told that 5V is fine, the board can automatically convert the voltage. " | Read more » | over 7 years ago | |||
| MadTinker | "@shanlter @rocket Thanks for the suggestion of the power bank. My biggest question, particularly related to the power bank in the link, was the vol..." | Read more » | over 7 years ago | |||
| shanlter | "Hi @MadTinker , yes you are right, the battery I'm using is the one in your link. But you can use any kind of portable battery to charge your devic..." | Read more » | over 7 years ago | |||
| 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 | |||
| gretchengehrke | "That's so great, Shan! " | Read more » | over 7 years ago | |||
| shanlter | ""Did the Chinese government state the methods they would use to evaluate each of these parameters?" yes, they state the standard methods. "Also, di..." | Read more » | over 7 years ago | |||
| shanlter | "Hi @gretchengehrke, sorry for responding late, I was in a temple with no internet access in the passing week. Yes, I've seen that page and I though..." | 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 | |||
| gretchengehrke | "@shanlter, this is great! Have you seen the spreadsheet on the www.publiclab.org/wiki/water-sensors page? There are some other options there listed..." | Read more » | over 7 years ago | |||
| rockets | "yes, that's better than mines " | Read more » | over 7 years ago | |||
| warren | "Hi, @rockets -- maybe refining the title could be helpful here; I hope you don't mind but as I'm an admin, I changed it to How accurate are KnowFlo..." | Read more » | over 7 years ago | |||
| rockets | "The probe accurate is list below: 1 Gravity: Analog Electrical Conductivity Sensor / Meter For Arduino Operating Voltage: +5.00 V PCB Size: 45 × 32..." | 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 | |||
| Sidney_AstroPlant | "Using NIR LEDs seems like a good option to look into and I'm happy to hear that I might not have to deal with extensive filtering! I just got a res..." | 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 |