Acid Rain Study Outfit Includes: tools to make surveys of acid precipitation and to determine the pH of water; octet compa SKU: 22-4882 MSRP: Was: Now: $100.50 Add to Cart
LaMotte Digital Tapwater Tour Kit Includes instructor manual, student manual with data sheets and puzzles, classroom color chart, an SKU: 22-4870 MSRP: Was: Now: $77.00 Add to Cart
Soil Test Kit Test for nitrogen, phosphorous and potassium Includes pH indicator, color chart, manual and handboo SKU: 22-4874 MSRP: Was: Now: $78.25 Add to Cart
