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The only mold here that publishes the method: 104 °F water, 20+ hours, bubbles pushed downward

FDDAI Not stated by the maker

A two-pack insulated silicone sphere mold making 2.5-inch clear ice balls by directional freezing.

FDDAI clear ice ball maker with a 2.5 inch crystal clear ice sphere

FDDAI Not stated by the maker

A two-pack insulated silicone sphere mold making 2.5-inch clear ice balls by directional freezing.

Type
Insulated sphere mold, 2-pack
Ball size
A true 2.5 inches
Method
Directional freezing — air and impurities pushed downward
Water
Cooled boiled water at about 40 °C (104 °F) / 104 °F, as stated by the maker
Freezing time
20 hours or more
Construction
One-piece silicone over a lightweight foam structure
Release
Rest briefly, peel downward — no soaking, tapping or forcing
Size
114 × 25 × 150 mm (4.49 × 0.98 × 5.91 in)
Weight
Not stated by the maker
Clarity
Claimed as similar to a high-end cocktail bar; no measure exists for this
Amazon reference
B0CN3BQG44
EAN
0797430967248
  • The only listing on this shelf that publishes the method, the water temperature and the freezing time — 104 °F, 20+ hours
  • Explains why the ice comes out clear rather than only promising that it does: directional freezing drives bubbles down out of the sphere
  • Twenty hours and water you have to boil and cool first — this is the most work of any mold here

Best for: One clear 2.5-inch sphere in a tumbler, for someone willing to plan a day ahead

≈ $30
Check price on Amazon

Specifications

Type
Insulated sphere mold, 2-pack
Ball size
A true 2.5 inches
Method
Directional freezing — air and impurities pushed downward
Water
Cooled boiled water at about 40 °C (104 °F) / 104 °F, as stated by the maker
Freezing time
20 hours or more
Construction
One-piece silicone over a lightweight foam structure
Release
Rest briefly, peel downward — no soaking, tapping or forcing
Size
114 × 25 × 150 mm (4.49 × 0.98 × 5.91 in)
Weight
Not stated by the maker
Clarity
Claimed as similar to a high-end cocktail bar; no measure exists for this
Amazon reference
B0CN3BQG44
EAN
0797430967248

What the maker puts in writing

  • A true 2.5-inch clear ice ball, 2-pack
  • Fill with cooled boiled water at about 40 °C (104 °F) / 104 °F, freeze 20+ hours
  • Directional freezing pushes air bubbles and impurities downward
  • One-piece silicone over a lightweight foam structure
  • Rest briefly and peel downward to release — no soaking or tapping

The only listing here that tells you how

Three products on this shelf promise clear ice. This is the one that publishes a water temperature, a freezing time and a mechanism.

The $35 mold two rows down promises crystal-clear mini sculptures and pure, translucent magic across five bullets, and no figure at all.

What it costs you

A day, and a kettle.

Boil the water, let it fall to about blood heat, fill, freeze overnight and most of the next day. Two spheres come out. The $7.29 tray on this shelf makes twelve cubes while you sleep, and they are cloudy.

Both are correct answers to different questions.

Availability

Read on the day this page was built: $30 at the American Amazon shop.

Read from Keepa on the day this page was last revised; stock and price both move without notice.

Prices quoted in this text were read on 2026-10-04. The live price is at the top of the page.

What readers ask us

Why boiled water?

Boiling drives dissolved air out of the water, and air is what makes ice cloudy. Cooling it to around 104 °F before filling avoids warping the silicone. FDDAI is the only maker on this shelf that explains this; the other two clear-ice claims here give you the result and no method.

What is directional freezing?

Insulating the mold so it freezes from the top down, which pushes bubbles and impurities ahead of the ice front and out of the sphere into the base. It is the only technique that produces genuinely clear ice at home, and it is why this mold has a foam body.

Twenty hours — really?

That is the maker’s figure, and it follows from the method: insulated freezing is deliberately slow. A plain silicone tray on this shelf freezes overnight and makes cloudy ice. This is the trade.

More cocktail ice molds

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    Type
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    Cubes
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    Cube size
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    Lid
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    Stacking
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    Cleaning
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    Release
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    Amazon reference
    B0DSLN9GJD
    EAN
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    Quantity
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    Capacity
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    Stated load
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    Lighting
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    Power
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    Warranty
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    Amazon reference
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    EAN
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    Type
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    Container
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    Included
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    Capacity
    Not stated by the maker
    Size and weight
    Not stated by the maker
    Amazon reference
    B0CYM3MRVW
    EAN
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Elsewhere in the spares drawer

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    Warranty
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    Amazon reference
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    EAN
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    EAN
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    Type
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    Included
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    Bottles per charge
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    Charge time
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    Warranty
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    Amazon reference
    B01261VEOG
    EAN
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All cocktail ice molds