Similar to: Therm-O-Rock Super Coarse Horticultural Vermiculite

This is the secret weapon for seed starting and moisture-starved soil. While it lacks the structural density of heavier amendments, its ability to aerate and hold water makes it an essential, organic-certified shortcut to vigorous root development.

This coconut-based medium creates a remarkably airy, rainforest-like environment that keeps roots oxygenated and hydrated far longer than standard potting soil. It’s a dream for those who want to water less often, though you’ll need to adjust your routine to account for its superior moisture retention.

This volcanic glass is the ultimate insurance policy against root rot and compacted soil. It is a simple, pH-neutral amendment that prioritizes drainage over moisture retention, making it an essential tool for keeping sensitive houseplants and bioactive setups thriving.