| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "My background is mostly industrial- specifically pharmaceutical. So much of the testing was guided by something like The USP. The instruments were..." | Read more » | about 6 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 | |||
| Ag8n | "Very interesting article. Thank you for posting it. Could you give more details on the turbidimeter you have developed? Regards " | Read more » | about 7 years ago |