Simple read out.

• Easy use
• Indoor or outdoor
• Aligned with GLOBE protocols

Provide proper conditions for plant growth with this easy-to-use meter, which instantly measures soil pH from 3.5 to 9.0. The supplied reference chart lists preferred pH for more than 400 vegetables, herbs, fruits, flowers, trees, shrubs and house plants, and offers advice for keeping plants healthy.

Includes: teacher’s guide with instructions, background information and recommendations for correcting pH.