Down To Earth Greensand, 5lb Grow Tents If using reverse osmosis water

If using reverse osmosis water and or in coco coir

It supplies Phosphorous (52%)

Whether you're using prepared soil or soilless mixes

these plant starter plugs have a great spongy texture which retains the perfect air/water ratio for healthy

Down To Earth Greensand, 5lb Grow Tents If using reverse osmosis waterNaturally occurring in marine sedimentary deposits, Down To Earth Greensand is composed primarily of the blue green siliceous mineral glauconite. Traditionally used to loosen heavy clay soil or to hold together loose sandy soils, DTE Greensand is able to absorb up to one third its weight in water to improve the moisture holding capacity of garden soils and potting mixes. DTE Greensand is highly recommended for vegetables, fruits, herbs, lawns,