Alum, 100 g

Aluminum potassium sulfate is commonly called alum. Use this metal sulfate to learn how to grow large gem-like crystals using a seed crystal! (Dodecahydrate form)

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

This 100 g bottle of magnesium sulfate, also known as Epsom salt, is in Heptahydrate form. Take a look at the table below to discover the Epsom salt formula, grade, density, shelf life, common uses, and more!

This glass beaker from HST is an excellent addition to any labware supply. Use this high-quality 250 ml beaker for your science needs.

Pentahydrate form of copper II (cupric) sulfate powder. Copper sulfate is a great chemical for growing beautiful blue crystals. Find copper sulfate powder's density, common uses of copper sulfate, and more below!

These 400 ml HST beakers are a great value.

Pentahydrate form of copper II (cupric) sulfate medium crystals. Copper sulfate is a great chemical for growing beautiful blue crystals, and the crystalline form of copper II sulfate is the best for making solutions.

Disposable 90 x 15 mm dishes & covers.

30 g bottle of potassium ferricyanide. These potassium ferricyanide crystals can be used in some neat crystal-growing science experiments! Look below to discover the potassium ferricyanide formula, density, and more.

One-pound bag of course sand.