LECA

(redirected from Expanded clay pellets)

LECA

Abbr. for “light-expanded clay aggregate.”
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Any number of hydroponic rooting media, such as peat moss, sawdust, wood chips, chipped bark, sand, gravel and crushed rock, gardener's heat-expanded mineral soil conditioners (such as perlite and vermiculite mixed with sand), expanded clay pellets and other chemically stable media are used with varying degrees of success.
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