Scientifically-proven Gnat Nix provides an effective, long-lasting physical barrier against fungus gnats. Used as a top dressing, it interrupts gnats’ lifecycles by preventing adult emergence from hatching larvae and deterring females from laying eggs in the growing media. This gnat control is made from 100% recycled glass and it is 100% free of harmful pesticides and chemicals.
How it’s made:
Growstones start their lives not as rocks, but as recycled glass bottles. The glass bottles are collected and then pulverized into an ultra-fine glass powder, about as fine as baking flour. Natural foaming agents and additives are mixed in at specific ratios, and the whole mixture is then fed to a massive kiln to bake. As the mixture is heated, gasses are forced to escape, causing the material to rise and forming it’s highly porous and air-filled structure. Once finished baking, the Growstones are cooled and crushed into pieces for packaging.
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