Fieldmaster Lake Bottom Sampling Kit Here's everything your class needs to obtain samples from the bottom of a pond or lake for further study in the lab. What makes this kit unique is the reusable, durable equipment provided - no flimsy throw-aways here. The Mighty Grab (TM), for instance, needs no messenger and can be operated either by hand line or with the included sampling pole. The Wash Bucket has 504 micron mesh for sorting samples to the same standards used by the professionals. We include an armored glass thermometer of high accuracy for taking samples of air and water. Even our wide-mouth sample bottles are made of durable polypropylene and are sqaure in shape so they won't tip or spill. Kit includes: •One (1) Plastic Wash Bucket for sorting out the contents with 504 micron stainless steel mesh. •One (1) armored glass thermometer from -40/+120 degrees Farenheit. •One (1) Fieldmaster® Mighty Grab (TM) for obtaining a sample in a hard or soft bottom of a pond. Features stainless steel scoops. Includes 20 m of 1/8" diameter polyester line on a colorful winding float. •Twelve (12) 500 mL polypropylene square wash bottles so that groups of students can bring their samples back to the classroom. •Set of comprehensive teacher instructions. Qty :