Page 13 - Demo

Your Safer Source for Science
MATERIALS, SURFACE & SYSTEMS, continued
Soil Sampling Tube
This 12"-long galvanized steel sampling tube has a 1" core diameter. A cutaway side in
the tube allows for examination of soil core sample prior to its removal. This is a profes- sional quality implement that comes with detailed instructions and 20 soil sampling bags.
AB1148 I $33.95
Soil Test Kit—Rapitest®
Quickly assess soil pH and the relative amount of three key elements—nitrogen, phosphorus and potassium (potash). Tests are as simple as dropping capsule contents into a sample and comparing the resulting color to a standard. The instructions detail how to conduct the tests, when to conduct the tests, preferred pH ranges for hundreds of plants and how to select and apply the proper fertilizers.
FB0426 I $19.30
Soil pH Meter
This simple, easy-to-use meter for measuring the pH of soil quickly determines whether soil is suitable for particular plants or if the pH needs to be adjusted. Included foldout offers soil pH preferences of more than 400 plants along with detailed instructions for accurate measurements and techniques
and materials for adjusting soil pH. Includes meter, 4" probe and probe cable. Requires no batteries or external power.
FB0549 I $23.85
Groundwater Exploration Activity Model
This durable acrylic model teaches students about groundwater sources, its storage and flow beneath Earth’s surface and how it impacts life on Earth. Dyes represent contaminants to show pollution and how it directly affects the environment. Includes everything for the simulation of groundwater principles as well as an electric pump for continuous water recharging and a large reservoir. Sturdy design includes 7" base for added stability.
Size: 20" L × 5" W × 121⁄2" H.
AP5205 I $661.45
pH Test Strips
Packaged in convenient vials of 100 strips, Hydrion AB pH test paper displays sharp color changes that cover the pH range between 2.0 and 11.0. Type A covers even pH intervals (2, 4, 6, 8, 10); Type B covers odd pH intervals (1, 3, 5, 7, 9, 11).
AP147 I Type A I $2.00 AP146 I Type B I $2.00
FLINN SCIENTIFIC I MATERIALS, SURFACE & SYSTEMS 11