The Topsoil Tour is an investigation into the physical and chemical properties of soil. Each student on the Topsoil Tour completes seven units while conducting his/her own soil tests for soil texture, pH, nitrogen, phosphorus, and potassium using safe, simple TesTabs® reagent tablets. Tablets and sample test bags for 50 students.
|Item Description||Order Code||Ship Code||Shipping Weight|
|Topsoil Tour||5425||(NH) Non-Hazardous Material - No Fees Applicable||4|
|Reagent Refill||R-5425||(NH) Non-Hazardous Material - No Fees Applicable||1|