ESSENTIALS CF Standard 2.8mS is used for calibrating your EC/CF meters to ensure they're running as accurately as possible.
General Information
EC levels influence your plants ability to absorb water, if EC is kept too high, the roots will struggle to take up the nutrient solution. If EC is too low, the plants will deteriorate due to lack of nutrients.
Benefits
- Ensures your EC meter is running accurately
- Easy to use
