Salt water fish tank and need to log the following parameters/then graph every 15 min.
-temperature: 75?F - 80?F (24?C - 27?C)
- specific gravity: [url removed, login to view] - [url removed, login to view]
-pH: 8.0 - 8.4
-nitrate: 20 ppm or less
-carbonate hardness: 7-10 dKH
This need to able to be networked. Looking for someone to discuss build a prototype.