"dab SCIENTIFIC INC."

Premium quality, high accuracy conductivity calibration solution.

Formalin preserved pregnant cats. Available in vacuum packs.

Versatile pipettes provide consistent drop size.

Offset handle design centers the user's weight over the strongest part of the cane.

This TeacherGeek Mini Hub is designed to slide directly on a motor shaft. It is comprised of two parts that are held together with a single screw. This allows you to secure 2, 3 or 6 turbine blades. When the hub is mounted on the motor shaft and driven by the wind, electricity is generated.

Attractive Bottom Cover Enhances Natural Filtration and Nitrogen Cycling. Gravel contains no lead or chrome and won’t change the pH or chemistry of the tank. Pebble sizes up to ¹/₄" diameter.

The 2 ply Boot foot Wader is a rugged and classic poly rubber wader design.

This 10-in-1 robot kit offers exciting functionality and compatibility.

Rotifers are well adapted to adverse conditions; when dry, the eggs remain viable for years.

Designed for advanced student experiments to test for quality in waste and drinking water, environmental labs, and aquaculture.

Designed for advanced student experiments to test for quality in waste and drinking water, environmental labs, and aquaculture.

Economical and perfect for occasional use.

Premium quality, high accuracy ORP solution is used to check the health and accuracy of an ORP electrode.

With a 10" interior height, this electric brooder can hold up to 125 day-old chicks, 50 month-old chicks, or 100 month-old quail chicks.

The premixed ready-to-use solution contains Taq DNA polymerase, dNTPs, and magnesium chloride at optimal concentrations for efficient amplification of DNA templates by PCR. Enough for 100 reactions (2.5 mL).

This signal conditioner for iWorx-brand transducers that provides four channels of excitation power, gain, and noise filtration.