Uni-GRO Pumice

While it is excellent for succulents, cacti, and plants prone to root rot, it is also a versatile amendment for any indoor plant that needs improved drainage. Because it has a neutral pH, it won't interfere with the nutrient balance of your existing potting mix.

For most moisture-sensitive plants, a ratio of 20% to 30% pumice to potting soil is ideal. If you are potting cacti or succulents that require very fast drainage, you can increase that ratio up to 50%.

No, this pumice is ready to use straight from the bag. It is clean and free of debris, so you can mix it directly into your soil blends without any extra preparation.

No, pumice is a volcanic rock and will not decompose or break down in your soil. It provides permanent structural support, ensuring your potting mix maintains its aeration and drainage properties for the life of the plant.

Yes, you can use it as a top dressing. It creates a clean, aesthetic finish while also helping to keep the soil surface dry, which can prevent fungus gnats and stem rot in sensitive plants.