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Gerta 10QT Horticultural Perlite Bulk — 3-6mm Granules for Garden SuccessGerta perlite is a lightweight, glassy material derived from volcanic rock. The 3-6 mm granules feel airy and bright in the hand, and when mixed into soil they create a looser structure that helps...

Introducing Gerta's 10QT vermiculite bulk, an organic, coarse-grade vermiculite designed to boost soil texture for a wide range of plant projects, from houseplants to mushrooms. The 5-8mm grains are light and fluffy, expanding slightly to create air pockets that support healthy roots while helping...

Gerta Vermiculite: a versatile soil conditioner Gerta 10QT Horticultural Vermiculite Bulk combines moisture management, nutrient retention, and soil aeration in a lightweight, easy-to-handle medium. The coarse 2-4 mm granules work like tiny sponges, expanding to create air pockets that support healthy root growth. Whether...

Overview Gerta 15QT Horticultural Perlite is a lightweight, inert soil conditioner crafted from volcanic-origin particles. The chunky 3-6 mm granules create air pockets that help roots breathe and water move through the soil more efficiently, reducing compaction in pots, raised beds, and mixed media....

Gerta 15QT Horticultural Vermiculite – Organic Coarse Grade (2–4 mm) Meet a versatile soil conditioner from Gerta designed to support thriving potted plants, houseplants, and even small mushroom setups. This 15-quart bulk vermiculite comes in a clear, resealable bag for convenient storage and repeated...

OverviewGerta 20QT Horticultural Perlite Bulk is a lightweight, volcanic-derived soil amendment designed to boost drainage, aeration, and root support across indoor planters, seed trays, and raised beds. The translucent, glassy beads feel crisp to the touch and lift soil texture, creating space for roots...

Overview Gerta 20QT Vermiculite Bulk is a versatile, organic soil amendment designed for gardeners who want to improve moisture management and root health without heavy changes to the soil. The coarse grade (2-4 mm) behaves like tiny sponges that absorb and release water as...