NATURAL PUMICE FOR PLANTS: 100% natural volcanic rock with no additives or fillers; improves soil structure, enhances fertilizer efficiency, and promotes plant health; a long-lasting, sustainable alternative to perlite that won't float or break down LIGHTWEIGHT & AIRY: Prevents soil compaction and keeps mixes light and well-draining; its porous structure holds moisture and nutrients, then slowly releases them as needed, enhancing aeration, absorption, and giving roots space to grow GREAT WATER RETENTION: Pumice holds moisture in its porous structure for steady hydration; it improves water retention, prevents root rot by draining excess water, reduces watering frequency, and conserves water for healthier plants PUMICE FOR POTTING SOIL: The perfect amendment for any potting soil mix, ideal for succulents, cacti, bonsai, and container plants; filtered to 3/8" to 1/4", this size is great for all-purpose use, from potting mixes to garden beds SUSTAINABILITY: We are dedicated to crafting sustainable, high-quality products that support plant health; through our non-profit partnerships we donate a portion of the sale of our soil amendments to plant a tree in the world's most deforested areas Sol Soils Pumice is a 100% natural volcanic rock, free of additives or fillers, that enhances soil health. It improves soil structure, boosts fertilizer efficiency, and supports plant health by providing a long-lasting, sustainable alternative to perlite. Perfect for succulents, cacti, bonsai, and container plants, using pumice for potting soil mixes helps to prevent soil compaction and keeps mixes light, well-draining, and aerated. It also helps break up dense soils, while its porous structure holds moisture and nutrients, releasing them slowly as needed, and drains excess water, preventing root rot, and reducing watering frequency. Filtered to 3/8" to 1/4", this pumice mix is versatile and suitable for both potting mixes and garden beds. At Sol Soils, we are committed to sustainability, donating a portion of each sale to plant trees in deforested areas, supporting both plant health and the environment.