Blog Posts

Why is my clear ice cloudy at the bottom?

A white bottom on otherwise clear ice usually marks the last-to-freeze zone. This guide explains how the freezing front concentrates gas and dissolved material there, how to distinguish internal haze...

Why does my clear ice ball have bubbles?

A few bubbles in a clear ice ball can be normal. This science-led troubleshooting guide explains what central haze, linear bubbles, fan-shaped columns, seam pockets, and bottom bubbles reveal, then...

Does Boiling Water Make Clear Ice? What Actuall...

Boiling water can reduce dissolved gas, but it cannot control the freezing front. This science-based guide explains why boiled water may still turn cloudy, how directional freezing changes the result,...

Best Water for Clear Ice: Distilled vs Filtered...

Tap and mineral water are the practical first choices for clear ice in a directional freezing mold. Compare filtered and distilled water, understand why dissolved minerals and gases matter, and...

What Is the Freezing Front in Ice?

The freezing front is the moving boundary between solid ice and liquid water. This article explains how latent heat, temperature gradients, convection, container geometry, and dissolved gases determine where that...

Where Does Ice Freeze First in a Container?

Ice does not always freeze from the top down. This practical home observation explains how freezer airflow, container walls, shelf contact, and nucleation determine where ice begins and which direction...