The Standard in Water Equivalency


  • Water-equivalent material within 1.0% for photons.

  • Exceptionally strong slabs will not stick together when stacked or stored.

  • Not affected by changes in temperature or humidity.

Unique Chamber Slab Design 

Instead of having multiple slabs for each thimble type ion chamber, a single slab is used with interchangeable ion chamber plugs.



Blue Water Slabs


Blue Water is available in 20x20cm and 30x30cm squares, in nine standard thicknesses (0.2 cm, 0.3 cm, 0.5 cm, 1.0 cm, 2.0 cm, 3.0 cm, 4.0 cm, 5.0 cm, 6.0 cm)

Parallel Plate Slab


Blue Water Phantom, 30 x 30 x 2 cm, milled for parallel plate chamber

Thimble Slab


Blue Water Phantom, 30 x 30 x 2 cm with blank cavity & plug with cavity drilled for ion chamber of choice 

Custom Ion Chamber Plugs


Blue Water Phantom Plug with cavity for ion chamber of choice 

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Blue Water Phantom 

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