Have your plants reach their greatest potential with this one simple product. 8 quarts Perlite, is a natural soil amendment which is used to prevent water loss and soil compaction. Improves aeration and drainage. Use for seed starting, amending potting mixes and rooting cuttings. Formula encourages root expansion and formation. Ready to use formula. Trusted by professional growers. Will be sure to achieve excellent results that will leave both you and your plants happy.