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Price range: $24.99 through $44.99
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Gnat Barrier & Premium Soil Conditioner
Covers up to 6 × 13cm diameter pots
PUMICE+ forms a natural physical barrier against fungus gnats, helping to break their breeding cycle.
When used as a surface layer, the fine abrasive particles prevent gnats from entering the potting media, disrupting their life cycle naturally.
How to use as a gnat barrier:
Pour and spread PUMICE+ granules over the potting soil
Apply to a depth of at least 3cm
Ensure the entire pot surface is covered
Maintain a 3cm depth for ongoing effectiveness
PUMICE+ is a lightweight volcanic rock formed from superheated earth. It contains countless tiny air bubbles, making it highly porous and ideal for improving soil structure.
Benefits:
Improves air porosity
Enhances drainage while assisting water retention
Maintains soil structure
Neutral pH
Contains trace minerals
Supports beneficial microbial activity
Especially ideal for cacti, succulents, ferns, monsteras, calatheas, and other water-sensitive plants.
General drainage improvement: Mix 15% PUMICE+ with growing media
High-drainage plants: Mix 25–50% PUMICE+, depending on the quality of your base media
Cuttings prone to rot: Use PUMICE+ as part of your propagation mix
Shake the bag well before use to ensure even distribution of particle sizes
Tear or cut along the marked dotted line to open
Seal the bag after use
Before opening, read precautions on the back of the bag
Avoid breathing dust — wear a dust mask if dusty
Always wear gloves
Wash hands immediately after use