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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
these slabs are the result of Grodan's commitment to quality and performance
Dry-Climate Tier: Integra separates 69% and 72% by ambient climate
Each bucket holds approximately 13L of clay pebbles or similar medium
Shorter vegetative time
5' Coverage: Sized for compact tents and converted-closet grow spaces
Tanks Green Stuff - Pumice 16qt Bag Siebring Manufacturing these slabs are the resultHorticultural Pumice for Soil Aeration & Drainage This lightweight, porous rock improves drainage and root zone aeration, helping prevent overwatering and compaction. Its high surface area holds moisture and nutrients, releasing them gradually to support beneficial soil microbiology and long term soil structure. Pumice for Cactus, Succulents & Houseplants Ideal as a soil amendment or growing media component, pumice enhances potting mix performance for