For a large, single crystal, keep the solution perfectly still. Vibration or temperature changes create new crystals on the jar's bottom, stealing material from yours.
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | | Solution not saturated enough | Reheat and add more solute. | | Crystals form only on bottom/sides | Seed wasn't suspended; or solution cooled too fast. | Use a smoother string; let solution cool slowly in a warm spot. | | Crystals are white and powdery | Too many nucleation points; temperature changed rapidly. | Filter solution through coffee filter; insulate the jar with a towel. | | Crystals are small and many | Cooling was too fast. | Place jar in a cooler, steady environment (like a cupboard). | | Crystals look "dendritic" (fern-like) | Evaporation is happening too fast. | Cover the jar loosely with a paper towel or coffee filter. | grow your own crystals
: Shape pipe cleaners into letters or names and submerge them in a Borax solution for 24 hours to create custom, crystallized desk decor. For a large, single crystal, keep the solution
Alum is a spice used for pickling. It produces clear, diamond-like octahedron crystals that look incredibly professional. Large, single "hero" crystals. | | Crystals form only on bottom/sides |