---
title: "I have this terrarium that’s now infected with fungus gnats. I closed…"
description: "I have this terrarium that’s now infected with fungus gnats. I closed the lid to trap the insects hoping they don’t escape to my other house plants. Should I…"
url: "https://getplanta.com/community/JlZgmfitRxCDd44wsMWc-A/KfPcICamUOO7yPnDzw74Nt"
community: "Terrarium Discoveries"
author: "Meliss"
published: "2025-02-24T21:17:07.434591Z"
language: "en"
image: "https://images.getplanta.com/v1/resize/RG1Piof_hbCPVEn9ml63BXYW_WXDSGdqi4oaYUvFVyg/ejNHGqvXTQ2z80exR1oP_Q.webp?size=large"
---

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# I have this terrarium that’s now infected with fungus gnats. I closed…

_Posted by Meliss on 2025-02-24_

I have this terrarium that’s now infected with fungus gnats. I closed the lid to trap the insects hoping they don’t escape to my other house plants. Should I buy hydrogen peroxide and spray inside? Or should I quickly place sticky traps in there? It doesn’t need watering for a while.

![Attachment 1 of 1](https://images.getplanta.com/v1/resize/RG1Piof_hbCPVEn9ml63BXYW_WXDSGdqi4oaYUvFVyg/ejNHGqvXTQ2z80exR1oP_Q.webp?size=large)

## 3 comments

### 🪴 Botanical Bekka🌵 commented on 2025-02-25

I use a vinegar trap but I'm wondering sometimes where they come from and why they're there I have a bearded dragon and I'm wondering if it's from his collard greens in his vivarium or his snake plants?

### Mads commented on 2025-02-28

Beneficial nematodes 👍

### Meliss commented on 2025-03-28

Thank you all. The gnats are either all gone or extremely slowed down!

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