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 | ||
|---|---|---|---|---|---|
| Ag8n | "The data shows that natural titration indicators with long shelf life (90 days) do exist ( see the Hippeastrum note above). However, Red cabbage d..." | Read more » | over 2 years ago | |||
| Ag8n | "The research shows that natural titration indicators, with good shelf life, do exist ( see Hippeastrum, above). However, Red cabbage does not appe..." | Read more » | over 2 years ago | |||
| stevie | "wow! shocking video. Great resource though. I'm tagging it to the blog. For those who see it from there, check out more on the project at www.publi..." | Read more » | over 2 years ago | |||
| stevie | "Wow, is that a holding pond Right next to a stream at the 55second mark - again around 2:12? @junior_walk1337 and @ekpeterman do these have to be ..." | Read more » | over 2 years ago | |||
| Ag8n | "The acid (from the pH 3 solution ) for the cabbage indicator could mess up some titrations. A blank might need run(and, depending on the titration..." | Read more » | over 2 years ago | |||
| Ag8n | "Clarification. Acidic media is pH 3. " | Read more » | over 2 years ago | |||
| Ag8n | "Check this reference: "Evaluation of red cabbage dye as a potential natural color for pharmaceutical use" by Neela Chigurupati, et. al. Industrial..." | Read more » | over 2 years ago | |||
| Ag8n | "Some natural indicators can have shelf lives of up to 90 days in solution. See "Hippeastrum hybridum anthrocyanin indicators of acid - base titrat..." | Read more » | over 2 years ago | |||
| Ag8n | "Interesting paper on this same subject. " Application of Butterfly Pea extract as an indicator of acid - base titrations " by Nyi Mekar Saptarini ..." | Read more » | over 2 years ago | |||
| normawatson | "Hii " | Read more » | over 2 years ago | |||
| belkinsa | "@Ag8n Thank you for you comments! I so didn't think of regulatory issues attached to the kits and I'm not sure if there is a difference on how the ..." | Read more » | over 2 years ago | |||
| liz | "so clearly showing the retaining ponds that drain to the creek. Thanks @junior_walk1337 " | Read more » | over 2 years ago | |||
| Rehanrao06 | "social media marketing specialist social media marketing miami pay per click ppc marketing ppc pay per click marketing pay per click - ppc - market..." | Read more » | over 2 years ago | |||
| Ag8n | "Now, there Maybe differences in how the sample is obtained. Don't know about that. " | Read more » | over 2 years ago | |||
| Ag8n | "From a scientific point of view, yes they can. Even an aquarium test kit can often be used to test water sources. The problem is with regulatory ..." | Read more » | over 2 years ago | |||
| hunternick363 | "This is a nice and simple method of measuring the PH of a solution. I remember these kinds of experiments we used to do in science class. We have t..." | Read more » | over 2 years ago | |||
| stevejohnson | "thanks for the information " | Read more » | over 2 years ago | |||
| Ag8n | "For a couple other reads, look up "The Effect of pH on Color Behaviour of Brassica oleracea Anthocyanin" in Journal of Applied Sciencies, volume 11..." | Read more » | over 2 years ago | |||
| Techhype | "Awesome https://www.naijamula.com.ng/ " | Read more » | over 2 years ago | |||
| Techhype | "Very impressive post on Education and [url=https://www.naijamula.com.ng/]School news[/url] " | Read more » | over 2 years ago | |||
| ekpeterman | " @ekpeterman has marked @jfreemanfilm as a co-author. " | Read more » | over 2 years ago | |||
| ekpeterman | " @ekpeterman has marked @junior_walk1337 as a co-author. " | Read more » | over 2 years ago | |||
| bhamster | "I did this! We tested vinegar, baking soda, lemon juice, pickle juice, and carbonated water. A lot of acids easily available in the kitchen. Then w..." | Read more » | over 2 years ago | |||
| alejobonifacio | "Hi @Ag8n! Thanks for your reply! I had this cabbage solution in fridge almost a week and I didn't see an appreciable color change. I don't know if ..." | Read more » | over 2 years ago |