Bromothymol Blue, 100 ml

This 500 ml bottle of bromothymol blue is a pH indicator. It is yellow at 6.0 pH, blue at 7.6 pH, and green at neutral pH. Find the bromothymol blue formula, density, and more below!

These aluminum weighing boats or weighing dishes have multiple lab uses.

Methylene blue stain is a solution used to highlight certain cell parts of animal, bacteria, and blood tissue specimens. This stain is a 1% aqueous solution, and it's especially useful for microscope slide preparation.

This Lugol's iodine solution stains carbohydrates in plant & animal specimens brown or blue-black & stains glycogen red. An aqueous solution of 1.8% iodine & 3.0% potassium iodide. Lab grade; not for food or medical purposes.

Pack of two test tubes.

This sterile liquid nutrient 125 ml agar comes ready to use & with enough agar to cover about ten 100 mm petri dishes. Pour it into a petri dish, swab any surface, and watch bacteria grow in a safe, memorable, and hands-on way!

This 30 ml bottle of phenolphthalein solution is a pH indicator. It's a 1% solution that is colorless at 8.3 pH to pink at 10.0 pH. Find phenolphthalein solution hazards, density, common uses, and more below!

This 30 ml bottle of universal indicator is a pH indicator. It tests for the presence of acids and bases, and the color changes from 2 to 10 pH. Comes with a pH color universal indicator chart!

This 30 g bottle of sodium hydroxide comes in pellet form and may be substituted for granular lye. Discover the sodium hydroxide formula & more below! Sodium hydroxide is a corrosive & a poison; read warning labels carefully.

Use these pH paper test strips to easily measure pH levels of solutions. Comes with color guide.