$39.99
On orders above $150
3-4 Days from order date.
The JBL Test Kit Refill – Potassium (K) replenishes your existing JBL potassium test kit, providing approximately 25 more tests for consistent monitoring of potassium levels for healthy plant growth. This cost-effective refill maintains accuracy and allows for easy replenishment of your testing supplies.
| Weight | 0.00 kg |
|---|---|
| Dimensions | 0.00 × 0.00 × 0.00 cm |
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