"water+bath"

Bacteria Make Up Much of the Composition of the Soil

How can we work with the environment?

Pre-calibrated test tubes and labware give fast, accurate results in the classroom or in the lab.

Each pouch contains a convenient, pre-mixed buffer solution; just add water!

Classic Washable Markers feature ink that is water-based and washes from hands, face and most fabrics.

Naturally sterile, with superior water retention, the medium eliminates “damping off” for a higher seed germination rate. Excellent for starting seeds indoors.

Suitable for collecting and dispensing distilled water, reagents, and acids, these low-density polyethylene carboys are graduated in 1 gallon and 5 L increments.

Pre-calibrated test tubes and labware give fast, accurate results in the classroom or in the lab. 

To prepare media, add 20 g of phenol red dextrose broth to a liter of distilled or de-ionized water. The media will not be sterile until autoclaved prior to use.

Pressure-sensitive coated polyethylene labels are chemical, mildew, age, tear, and water resistant.

Multiple sections on a single slide.

Pimephales promelas. Nonaggressive. Highly adaptable and easy to maintain, minnows make good water pollution indicators. Care instructions are included. Size: 2". Package of six.

Fully submersible, Bluetooth-enabled logger and Dissolved Oxygen (DO)/Temperature sensor for water monitoring applications.

Effortlessly test fresh, salt, and brackish water in just 2 minutes with the most advanced, all-in-one photometer designed for fish farming applications.

Dedicated water ways allow the faucet and eyewash to work independently of each other.

Perfect for leveling ripple tanks, before filling with water, this circular spirit level is enclosed in a chrome plated brass case.