Pea Gravel is a unique washed sand product that consists of granules less than 5mm in diameter. The dominant particle size being around 2.5mm.
Given the open nature of this product and the random granular characterisitcs, Pea Gravel lends itself perfectly as a drainage medium.
Because it is a naturally occurring product it has no flat edges, unlike crushed rock, which means that it should not pack down in a drainage situation, therefore allowing moisture to drain away freely.
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