General Hydroponics™ uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.
| Boiling Point | : | 213.8 deg F |
| Color | : | Red |
| Density | : | 1.01 g/cc |
| Form | : | Liquid |
| Net Content | : | 8 oz |
| Odor/Scent | : | Odorless |
| pH Range | : | 4.01 |