A 2-in-1 pH and TDS controller engineered for economical dosage of fertilizer solutions in hydroponics. HI 9935 measures pH from 0 to 14 and TDS from 0 to 1999 ppm. Two separate setpoints can be user-adjusted
| Hydrofarm, Inc. | |
|---|---|
| Product Category | Agricultural and Farming Products and Equipment |
| Product Number | HI9935-1 |
| Product Name | WM pH TDS Cntrl. 15 VAC |