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Add Sand To Your House Plants

Fungus gnats live in soil. The gnats lay their eggs in the soil and their larva feed on the decomposing matter, they pupate and hatch into flying gnats which starts the cycle all over again. The best way to get rid of them is to break this cycle.

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Put a thin layer (approximately 1/8th inch) of fine, clean sand on top of the soil in your containers; this keeps the adults from laying eggs and any pupae/larva from hatching. Trap any adults flying around with sticky traps or even a saucer of juice. That's it! Simple and it works. Stop the cycle and no more gnats!

Source: I work at a plant nursery and listen to gardening radio programs. A few years ago, on Garden Compass, this is what they suggested. I have been giving this tip to my customers ever since, and it has always worked, no complaints!

By LeeAnn from Redding, CA

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July 29, 20110 found this helpful

This sounds great! What kind of sand do you use?

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October 22, 20120 found this helpful

Doesn't the sand wash into the soil when you water?

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