Brix Refractometer 0-32% Sugar Tester, Juice & Honey Meter WiFi Sprinkler Controller and K figures are estimated

and K figures are estimated from soil conductivity

If you want pH and light too

and improves overall plant vigor

Does it need batteries

Brix Refractometer 0-32% Sugar Tester, Juice & Honey Meter WiFi Sprinkler Controller and K figures are estimatedUnlock accurate sweetness measurement anytime with this easy to use Brix refractometer. Key Features: Wide Measurement Range (032%) Perfect for testing juices, honey, wine, beer, soda, and other beverages. Automatic Temperature Compensation (ATC) Ensures reliable readings at varying room temperatures without manual correction. Clear & Precise Scale High definition prism and bright Brix scale deliver sharp, easy to read results in seconds. Durable &