Therm-O-Rock’s lightweight vermiculite provides superb aeration, as well as moisture and nutrient retention when mixed with peat, bark, or compost. It is excellent for seed germination, prevents soil compaction, and promotes strong and fast root development. Easy handling, loading, and unloading. OMRI listed.
Therm-O-Rock Vermiculite 3 Medium 1ea/3.5cuft
$76.99
This soil additive supports hands-on learning in botany and life sciences by improving seed germination and root development.
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