Horticultural grade vermiculite—very fine coarseness (granules slightly larger than sand). Vermiculite is a magnesium-aluminum-iron silicate treated at high temperatures, causing it to expand. It is used as a soil amendment to increase the water and nutrient holding capacity of soil. Vermiculite aerates soil and can be used to treat compacted soil or soil that tends to compact easily. Vermiculite has a neutral pH of 7. Compared to perlite, vermiculite holds more water and nutrients and is ideal for most plants, especially those that are less tolerant of underwatering. While vermiculite does provide aeration, it doesn't aerate as well as perlite. Vermiculite is also believed to help plants take up nutrients in the soil more easily. Use up to 50 percent vermiculite in your potting mix. Vermiculite is very popular with container gardeners and is a great additive for planters or indoor plant pots. PURE HORTICULTURAL GRADE VERMICULITE - Each Bag is 8 Quarts and ~2.5 lbs - Fine Grade Coarseness (granule size slightly larger than sand) - Mountain Valley Seed Company Brand SOIL ADDITIVE - Add to any potting mix for seed starting and long-term growth of plants - Helps plants access and take up nutrients more easily - Great for hydroponics and seed starts IMPROVES SOIL WATER HOLDING CAPACITY - Holds on to water and nutrients to make them available to roots longer. Perfect for outdoor container and hanging basket gardening where there is high water loss due to evaporation and heat - Won't degrade, rot, or mold. IMPROVES SOIL AERATION - Aerates soils for healthier roots, Loosens compacted soil, and helps keep soil from compacting NON-TOXIC - Vermiculite is a silicate of magnesium, aluminum, and iron - All natural, sterile, odorless - pH of 7 (neutral) - Can be used as a substitute for sand and as a hydroponic medium VERMICULITE is an all-natural super absorbent soil additive used with indoor potting mixes to help improve water retention, absorbing up to 4x its weight in water to help houseplants against heat and dehydration. Vermiculite helps to regulate consistent soil moisture throughout the day while helping nutrient retention against runoff and evaporation. VERMICULITE is ideal for potted tropicals, ferns, bulbs, and any plants requiring consistent moisture, keeping roots properly watered and cooled. Helps protect tropicals and many moisture-loving houseplants from dry conditions. VERMICULITE is a super absorbent medium commonly used for root propagation to help fresh cuttings and clones establish roots for garden transplanting. VERMICULITE is not intended for outdoor use in the garden bed. Although vermiculite can help with water retention in indoor potting mixes, it is too light for many outdoor soils and garden beds. It will not properly mix because of differences in density.
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