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TeacherGeek Check Valve - ¹/₈"
Check valves allow one way passage of water or air through tubing.
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Ward's® Live Sea Urchin (Strongylocentrotus sp.)
This unusual-looking Echinoderm, a small ball-shaped organism, displays radial symmetry. It moves via tube feet.
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LaMotte® Total Hardness, Calcium, and Magnesium Water Test Kit
Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.
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LaMotte® Chlorine Water Test Kit
Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.
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Nitrate-Nitrogen
Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.
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LaMotte® Carbon Dioxide Water Test Kit
Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.
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Science Take-Out® Birth Defects And Folic Acid
How Does Folic Acid Prevent Neural Tube Defects?
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LaMotte® Alkalinity Water Test Kit
Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.
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Straight Connector
They are polypropylene with a ribbed design for a tight fit. Each fits tubing 1/4 – 5/6" Package of ten.
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LaMotte® Iron Water Test Kit
Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.
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LaMotte® Phosphate Test Kit
Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.
Expand 1 item
Polystyrene Large-well Plates
Clear plates with deep uniform wells; replace beakers and test tubes in the microchemistry lab

