If you want a free perlite replacement for hypertufa, styrofoam works awesomely.
Different types of styrofoam make different results:
The styrofoam convenience store cups come out as different sized jagged bits:
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- Blending: Styrofoam Cups
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- Blended: Styrofoam Cups
The harder styrofoam often used in packaging homewares/electronics comes out as little balls, like what’s in a bean bag chair:
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- Blending: Hard Styrofoam
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- Blended: Hard Styrofoam
The soft pillowy styrofoam is my favorite ::: it comes out like snow:
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- Blending: Soft Styrofoam
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- Blended: Soft Styrofoam
Lots of Blended Styrofoam aka Perlite Replacement