Question 1

Which is better, Bluelab Soil pH Pen or SONKIR 3-in-1 Soil Tester?

Accepted Answer

Based on our testing, the Bluelab Soil pH Pen scores higher overall at 9/10. The Bluelab Soil pH Pen scored 9/10 and the SONKIR 3-in-1 Soil Tester scored 8.8/10 in our Best Soil pH Meters 2026 evaluation.

Question 2

Is the Bluelab Soil pH Pen worth it over the SONKIR 3-in-1 Soil Tester?

Accepted Answer

The Bluelab Soil pH Pen scores 9/10 while the SONKIR 3-in-1 Soil Tester scores 8.8/10. The Bluelab Soil pH Pen is our "Best Overall" pick in the Best Soil pH Meters 2026 category.

Bluelab Soil pH Pen vs SONKIR 3-in-1 Soil Tester: Which to Buy?