HOBO* Dissolved Oxygen Data Logger, Measure oxygen concentrations in lakes, streams, rivers, estuaries, and coastal waters, Oxygen Accuracy: +/-0.2 mg/L up to 8 mg/L, Temperature Accuracy: 0.2 Deg C, Depth Rating: 100 m
Aquaponics Kit, Rapidly as a hobby and as an industry as the farm-to-table trend continues to spread, for small to midsize systems, complete with labware, accessories, and reagents to perform approximately 50 repetitions per test factor, compatible with fresh, brackish
Hydroponics 4-Way Test Kit, Maintain proper nutrient balances and achieve optimum growing conditions in soil-less systems. Test for pH and three key nutrient factors, Applications: Soil, Environmental Education, Model HP-1, approximately 50 tests each.
Turbidity Test Kit, Test System: Turbidimetric, Range/Sensitivity: 0, 20, 40, 60, 80, 100 JTU, Lead in water screening test, Detects lead to EPA action level of 15 ppb (parts per billion)/above, 10 minute test reaction, Ideal for surveying multiple sites, Size: 10 tests
Bottle rocket launcher attached to a sturdy base with the capability to launch 2 L plastic soda bottles over 100 ft in the air. Using water as the liquid fuel, pressurize the bottle with a bicycle pump, Remotely launch from a safe distance using the corded release mechanism
HOBO* Deep Ocean Temperature Data Logger, single-channel water temperature logger with 12-bit resolution, Extended temperature range: -40 to 125C, Titanium housing for use in saltwater, Fast readout via direct USB interface, 11,000m depth rating
Game Water Habitats Learning Center-Grade 1-2, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; 4-panel and visual guide, Write-On/Wipe-Off activities
Pascalft s Law Apparatus, Weight: 3.3lb, Length: 13.0in, Width: 8.7in, Height: 9.4in, Consists of a moulded plastic base into top of which may be screwed one of a set of four vases of differing shape & a movable index on vertical rod enables the height of water
Digital TapWater Tour, Classroom investigation of how and why the characteristics of tap water can vary and affect everyday activities, Background information, test materials included for pH, chlorine, hardness, copper, iron, With Instructor, Student Manuals
Distilled Water Wash Bottle, Wide Mouth, 4 Color, Material: LDPE, Self venting, Performance Easy to read labeling, including chemical information and safety warnings, Clear screw cap for easy identification, Pk6, Size: 500ml
Transparent Turbidity Tube, simple apparatus is used to determine the transparency of water in lakes, streams, oceans as well as other bodies of water, Contains: 60cm transparent turbidity tube, rubber stopper with Secchi disc, 20cm silicon tube, Hoffman's clip, steel