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Water Sampling There are 35 products.
Line Polyester 1/8" 20m with float 11.5 x 3 x 1.5".
20 meter line on styrofoam winding float. For use with water samplers and Secchi disks.
20 meter line on styrofoam winding float. For use with water samplers and Secchi disks.
20 meter line on styrofoam winding float. For use with water samplers and Secchi disks.
3-7900-A12
.
Phosphate Fresh Water Test Kit.
Study the relationship of chemicals in the environment. Understand why some areas of the country have restricted the use of detergents that contain "non-biodegradable" phosphates. The presence of phosphate is indicated when the water sample turns blue.10 calibrated sample tubes with caps 2 drop-controlled bottles, phosphate solutions #1 2 drop-controlled bottles, phosphate solutons #2 10 student worksheets and quides Instruction manual...
Study the relationship of chemicals in the environment. Understand why some areas of...
Study the relationship of chemicals in the environment. Understand why some areas of the country have restricted the use of detergents that contain "non-biodegradable"...
623-6110
.
Nitrate Fresh Water Test Kit.
Sometimes you need to reduce the amount of nitrogen in a body of water. It's balances of life may be disrupted otherwise. With this kit, the presence of nitrogen is indicated when the water samples turn pink. Includes enough materials for 150 individual qualitative test.10 calibrated sample tubes with caps 10 measuring spatulas 6 drop-controlled bottles of nitrate test solutions #1 3 bottles nitrate indicator powder #2 10 student...
Sometimes you need to reduce the amount of nitrogen in a body of water. It's balances...
Sometimes you need to reduce the amount of nitrogen in a body of water. It's balances of life may be disrupted otherwise. With this kit, the presence of nitrogen is indicated...
623-6111
.
Dissolved Oxygen Reagent Refill.
Refill for 623-6310 Dissolved Oxygen Kit.
Refill for 623-6310 Dissolved Oxygen Kit.
Refill for 623-6310 Dissolved Oxygen Kit.
623-6311
.
The Pond Water Tour Kit
Grades 4 - 8/ 50 students in groups Study and measure changes in water quality in a lake, pond or aquarium using safe reagent tablets. Determine natural processes and variables that affect water quality over time. Includes: test bags; test tubes with caps; color poster; TesTabs™ (single-packed in foil) of the following: 30 each ammonia #1 and #2; 60 dissolved oxygen; 30 each nitrate #1 and #2; 10 Nutritab; instruction manual.
Grades 4 - 8/ 50 students in groups Study and measure changes in water quality in a...
Grades 4 - 8/ 50 students in groups Study and measure changes in water quality in a lake, pond or aquarium using safe reagent tablets. Determine natural processes and...
623-7010
.
Pond Water Tour Reagent Refill
Reagent Refill for 623-7010 Th Pondwater Tour.
Reagent Refill for 623-7010 Th Pondwater Tour.
Reagent Refill for 623-7010 Th Pondwater Tour.
623-7011
.