| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "You hit the nail on the head with auto correct. Good luck with your project. " | Read more » | almost 7 years ago | |||
| MadTinker | "@Ag8n - yes, I saw the other discussion, but it had seemed to go on a tangent. ‘crazy’ @cfastie I think hits it right on the head (gotta love that ..." | Read more » | almost 7 years ago | |||
| Ag8n | "There are several other previous questions that discuss this. But crazy is is correct, all tds meters are conductivity meters. One side note- ther..." | Read more » | almost 7 years ago | |||
| cfastie | "I agree that the DFRobot TDS sensor looks like a useful device at a good price. My lame understanding is that this and other sensors which purport ..." | Read more » | almost 7 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 » | almost 7 years ago | |||
| warren | "I love this idea. Here are some leads on connecting a TDS meter to an Arduino, if that's what you're interested in: https://forum.arduino.cc/index..." | Read more » | almost 7 years ago | |||
| warren | "wow!!! This is very cool. Here's an amazon link: https://www.amazon.com/s/?tag=duc0c-20&url=search-alias%3Daps&field-keywords=tds%20aquarium " | Read more » | almost 7 years ago | |||
| Ag8n | "I checked Amazon. There are several tds meters that also do conductivity for a price of under $20. Since a scientific model lists for about $1000,..." | Read more » | almost 7 years ago | |||
| Ag8n | "Sorry. Truncated the internet address: Https://www.hydroponics.net/learn/debate_over_ec_and_tds.php " | Read more » | almost 7 years ago | |||
| Ag8n | "Check out: Https://www.hydroponics.net/lear All tds meters are conductivity meters, but according to the article, they may not all use the same c..." | Read more » | almost 7 years ago | |||
| Ag8n | "I think it is. Was hoping someone was more familiar than me. Different websites talk about charge and others about conductivity, which can be two..." | Read more » | almost 7 years ago | |||
| gretchengehrke | "Hi @Ag8n, Do you know how the aquarium TDS meter works? Maybe it really is just a super cheap conductivity meter? " | Read more » | almost 7 years ago | |||
| MadTinker | "I would add the following: alkalinity, hardness, and perhaps ORP " | Read more » | about 7 years ago | |||
| warren | "There are also a number of resources on turbidity monitoring -- DIY and otherwise, here: https://publiclab.org/wiki/turbidity " | Read more » | about 7 years ago | |||
| warren | "There's also this post by @shanlter which could be helpful? https://publiclab.org/notes/shanlter/12-17-2015/waterfilter-kits-for-rural-chinese I ..." | Read more » | about 7 years ago | |||
| Mempet | "Hi @gretchengehrke! Thanks for letting me know about this! I might actually be able to use it. However, one complication I have is the amount of li..." | Read more » | over 7 years ago | |||
| gretchengehrke | "Hi @Mempet, Could you use a turbidity tube like this one: https://www.carolina.com/environmental-science-water-quality/carolina-turbidity-tube-120-..." | Read more » | over 7 years ago |