secchi-disk
secchi-disk


Author Comment Last activity Moderation
sirazul71 "Nice writing. Thanks Life Store is one of the best and most popular online stores. You will find everything you need in the life store. Visit in ou..." | Read more » 9 months ago
waniakzmi "You are doing well for well-being looking forward to it we are working to provide the best ease by providing medical equipment and products online ..." | Read more » about 1 year ago
MarketingWeb "Excellent article. I'm starting to look for information about the quality of the water we drink and your article helped me a lot. Thanks. " | Read more » about 1 year ago
louiseb90 "It's great work. Useful for many countries that want to know the quality of their water. Thanks for this article. " | Read more » over 1 year ago
digitaldipak "Loved the tips given with proper and up to date insights. Thanks a lot for sharing such innovative ideas on such a demanding topic. Good day Printo..." | Read more » over 1 year ago
stevie "Yes! here's the report back on the event https://publiclab.org/notes/Delaney/05-04-2018/water-quality-testing-at-turkey-creek " | Read more » almost 4 years ago
belkinsa "Is the report ready? " | Read more » almost 4 years ago
warren "Looks like @shantler, @anngneal and @donblair have written a bit about this! https://publiclab.org/notes/shanlter/07-03-2017/monitor-transparency-..." | Read more » about 4 years ago
nshapiro "Oh those are great finds! I would think for $18 that is probably just as (if not more) affordable as making it one's self (including labor time). I..." | Read more » about 4 years ago
stevie "Oh that decal is nice! I also found a couple really inexpensive secchi disks $18-$25 verses the Lamotte ones which are around $42-70. https://www..." | Read more » about 4 years ago
nshapiro "Very cool! i haven't but seems pretty straightforward just like the technique itself. If you have other uses for black and white rust resistant pai..." | Read more » about 4 years ago
WaterGeek "Great work and super useful for citizen's looking to track the quality and state of open water. We've been looking into something like this for dri..." | Read more » over 4 years ago
MadTinker "I would add the following: alkalinity, hardness, and perhaps ORP " | Read more » over 4 years ago
gretchengehrke "That's so great, Shan! " | Read more » almost 5 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 » almost 5 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 » almost 5 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 » almost 5 years ago
cfastie "Neil, Yes, the window slime will probably have to be removed every couple of weeks. Or maybe window transparency could be monitored with a separat..." | Read more » over 6 years ago
neilh20 "Wow amazing mockup video. Any thoughts on slime buildup on sensor windows.? I don't know whether a heat-shrink tubing could be useful? http://www.m..." | Read more » over 6 years ago
donblair "OH. MY. GOSH. Amazing design (and video!!!). Can't wait to chat with you about this. Relevant electronics parts are being ordered presently. " | Read more » over 6 years ago
cfastie "Here's another design of an indestructible underwater housing. You should be able to build one with hardware store parts for under $15. No mirrors..." | Read more » over 6 years ago