External and Internal Recording Solutions
| Reagent | Final concentration |
|---|---|
| NaCl | 115 mm |
| KCl | 4 mm |
| CaCl2 | 3 mm |
| MgCl2 | 3 mm |
| HEPES | 5 mm |
| Glucose | 10 mm |
| Glycine | 10 µm |
| Adjust the pH to 7.2 with NaOH. Adjust the osmolarity to 255. Filter-sterilize and store for up to 1 mo at 4°C. | |
