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.
GH 1500 PPM Reference Solution 8 oz
$6.78
Additional information
| Weight | 0.65 lbs |
|---|---|
| Dimensions | 2 × 2 × 6 in |
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