---
product_id: 546326076
title: "RooTrimmer Humidity Dome, Plastic Clear Seed Starter Dome 1020 Tray Covers Humidifying and Insulating for Greenhouse Germination and Garden Growing (21.5\"×11.5\", 3.15\" Height, 10-Pack)"
brand: "rootrimmer"
price: "S$181"
currency: SGD
in_stock: true
reviews_count: 5
category: "Roo Trimmer"
url: https://www.desertcart.sg/products/546326076-rootrimmer-humidity-dome-plastic-clear-seed-starter-dome-1020-tray
store_origin: SG
region: Singapore
---

# Reduces evaporation by 70% Fits standard 1020 trays perfectly Crystal-clear for max sunlight exposure RooTrimmer Humidity Dome, Plastic Clear Seed Starter Dome 1020 Tray Covers Humidifying and Insulating for Greenhouse Germination and Garden Growing (21.5"×11.5", 3.15" Height, 10-Pack)

**Brand:** rootrimmer
**Price:** S$181
**Availability:** ✅ In Stock

## Summary

> 🌱 Elevate your seed-starting game with RooTrimmer’s pro-grade humidity domes!

## Quick Answers

- **What is this?** RooTrimmer Humidity Dome, Plastic Clear Seed Starter Dome 1020 Tray Covers Humidifying and Insulating for Greenhouse Germination and Garden Growing (21.5"×11.5", 3.15" Height, 10-Pack) by rootrimmer
- **How much does it cost?** S$181 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/546326076-rootrimmer-humidity-dome-plastic-clear-seed-starter-dome-1020-tray)

## Best For

- rootrimmer enthusiasts

## Why This Product

- Trusted rootrimmer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable & Reusable:** Heavy-duty plastic construction built to last multiple seasons, indoors or outdoors.
- • **Transparent Design:** Clear plastic ensures uninterrupted sunlight, so you never miss a moment of your seedlings’ progress.
- • **Boost Seedling Growth:** Maintains higher internal temperature and humidity, accelerating germination and growth speed.
- • **Space-Smart Organization:** 10-pack set lets you streamline your greenhouse setup—one tray, one crop, zero clutter.
- • **Tailored Fit for 1020 Trays:** Precision-sized 21.5"×11.5" dome fits most popular nursery trays for seamless integration.

## Overview

The RooTrimmer Humidity Dome 10-pack is engineered to fit standard 1020 nursery trays (21.5"×11.5"×3.15"), reducing moisture evaporation by 70% to speed up seed germination. Made from durable, clear plastic, these domes provide optimal light transmission while maintaining ideal humidity and temperature levels. Perfect for professional and hobbyist gardeners seeking efficient, organized, and long-lasting seed-starting solutions.

## Description

10 Pack Humidity domes for cover the standard 1020 nursery trays. Domes Size: 21.5" x 11.5", Height: 3.15". It is suit for standard 1020 trays, which size should be : 21" x 11". If your 1020 tray is not this size, please do not order this dome. Our Humidity Domes are designed to fit standard 11" x 21" growing trays, RooTrimmer's 72/128/200 cell seed starter trays, as well as the shallow 1020 trays. If you would like to use the dome in combination with our other heavy duty 1020 trays, we recommend that you use it with the 72/128/200 cell trays.

Review: Great Quality - Very sturdy and durable. Great Quality
Review: One Tray, One Crop, One Less Gardening Headache - I've used a lot of seed-starting systems over the years, and this set solves one of my biggest greenhouse annoyances: too many little trays taking up too much shelf space. This kit includes full-size seedling trays, cell inserts, bottom watering trays, tall humidity domes, and LED light bars. I've been using smaller systems this season—some with 24 larger cells and others with 40 narrow cells—and while they work, I always end up playing greenhouse Tetris trying to fit everything on my shelves. These wider trays let me organize much more efficiently. My plan is to keep flowers in one tray and vegetables in another, which makes watering, labeling, and monitoring seedlings much easier. The trays themselves feel sturdy and well-made, which is exactly what I've come to expect from this brand. The domes are durable and don't feel flimsy or brittle. I was also pleasantly surprised by the LED light bars. Each tray includes two long light bars, and even after seed-starting season is over, I can see myself using them for medium-light houseplants. One thing I actually appreciated more than expected was the extra-tall domes. Technically, humidity domes should come off after germination to help prevent mold and damping-off issues. But I often use large plant labels, and standard domes barely leave enough room for them. The additional height gives everything a little breathing room. In drier climates, I could also see gardeners keeping the domes on longer with the vents fully open. The biggest downside is storage. Once gardening season ends, those large domes take up a fair amount of space. I still haven't figured out where I'm going to stash them this winter. I recently used these to start a backup crop in case weather, rabbits, squirrels, or general garden chaos wipes out some of my plants later in the season. The cells hold a generous amount of growing medium, and planting an entire tray was much faster than dealing with multiple smaller setups. Overall, this system makes seed starting simpler, more organized, and more efficient. For anyone who starts a lot of seedlings each year, that's a win.

## Features

- 10 Pack Humidity domes for cover the standard 1020 nursery trays, its size is just fit for most hot sell 1020 trays on the desertcart Market.
- The thick transparent nursery trays cover can keep the temperature inside of the trays higher than outside, and keep the moisture inside, the domes can reduce the vaporation speed 70%, which is good for faster seeds seedling speed.
- Durable plastic is transparent, will not block the sunshine or other light get into the trays, while you can watch the small plants growing speed.
- Heavy duty plastic, not those cheap easy borken ones, our domes can be repeat use for many years, even used outdoor, just be carefull aways from high temperature sunshine for long.
- Domes Size: 21.5" x 11.5", Height: 3.15". It is suit for standard 1020 trays, which size should be : 21" x 11". If your 1020 tray is not this size, please do not order this dome.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BXG1FVM6 |
| Brand Name | RooTrimmer |
| Color | Clear |
| Colour | Clear |
| Customer Reviews | 4.4 out of 5 stars 1,152 Reviews |
| Finish Types | Unfinished |
| Included Components | 10-Pack |
| Indoor Outdoor Usage | Outdoor |
| Item Dimensions | 25.4 x 50.8 x 25.4 centimeters |
| Item Dimensions D x W x H | 29.2D x 54.6W x 8H centimeters |
| Item Type Name | Hudimity Domes |
| Item Weight | 1.81 Kilograms |
| Manufacturer | RooTrimmer |
| Manufacturer Part Number | 1020 COVER |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | 1020 COVER |
| Mounting Type | Tabletop |
| Number of Levels | 1 |
| Number of Pieces | 10 |
| Other Special Features of the Product | Durable |
| Pattern | Solid |
| Plant or Animal Product Type | seeds |
| Planter Form | Tray |
| Planter form | Tray |
| Product Style | Garden |
| Set Name | 10-Pack |
| Shape | Rectangular |
| Size | Plug Domes |
| Special features | Durable |
| Style | Garden |
| UPC | 762704202424 |
| Unit Count | 10.0 Count |

## Product Details

- **Colour:** Clear
- **Material:** Plastic
- **Planter form:** Tray
- **Special features:** Durable
- **Style:** Garden

## Images

![RooTrimmer Humidity Dome, Plastic Clear Seed Starter Dome 1020 Tray Covers Humidifying and Insulating for Greenhouse Germination and Garden Growing (21.5"×11.5", 3.15" Height, 10-Pack) - Image 1](https://m.media-amazon.com/images/I/61be-fLiLaL.jpg)
![RooTrimmer Humidity Dome, Plastic Clear Seed Starter Dome 1020 Tray Covers Humidifying and Insulating for Greenhouse Germination and Garden Growing (21.5"×11.5", 3.15" Height, 10-Pack) - Image 2](https://m.media-amazon.com/images/I/71qfLwuP4tL.jpg)
![RooTrimmer Humidity Dome, Plastic Clear Seed Starter Dome 1020 Tray Covers Humidifying and Insulating for Greenhouse Germination and Garden Growing (21.5"×11.5", 3.15" Height, 10-Pack) - Image 3](https://m.media-amazon.com/images/I/71g45L05Z4L.jpg)
![RooTrimmer Humidity Dome, Plastic Clear Seed Starter Dome 1020 Tray Covers Humidifying and Insulating for Greenhouse Germination and Garden Growing (21.5"×11.5", 3.15" Height, 10-Pack) - Image 4](https://m.media-amazon.com/images/I/81CUrKHAqRL.jpg)
![RooTrimmer Humidity Dome, Plastic Clear Seed Starter Dome 1020 Tray Covers Humidifying and Insulating for Greenhouse Germination and Garden Growing (21.5"×11.5", 3.15" Height, 10-Pack) - Image 5](https://m.media-amazon.com/images/I/71LvxrmagWL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Quality
*by L***3 on 22 June 2026*

Very sturdy and durable. Great Quality

### ⭐⭐⭐⭐⭐ One Tray, One Crop, One Less Gardening Headache
*by S***N on 1 June 2026*

I've used a lot of seed-starting systems over the years, and this set solves one of my biggest greenhouse annoyances: too many little trays taking up too much shelf space. This kit includes full-size seedling trays, cell inserts, bottom watering trays, tall humidity domes, and LED light bars. I've been using smaller systems this season—some with 24 larger cells and others with 40 narrow cells—and while they work, I always end up playing greenhouse Tetris trying to fit everything on my shelves. These wider trays let me organize much more efficiently. My plan is to keep flowers in one tray and vegetables in another, which makes watering, labeling, and monitoring seedlings much easier. The trays themselves feel sturdy and well-made, which is exactly what I've come to expect from this brand. The domes are durable and don't feel flimsy or brittle. I was also pleasantly surprised by the LED light bars. Each tray includes two long light bars, and even after seed-starting season is over, I can see myself using them for medium-light houseplants. One thing I actually appreciated more than expected was the extra-tall domes. Technically, humidity domes should come off after germination to help prevent mold and damping-off issues. But I often use large plant labels, and standard domes barely leave enough room for them. The additional height gives everything a little breathing room. In drier climates, I could also see gardeners keeping the domes on longer with the vents fully open. The biggest downside is storage. Once gardening season ends, those large domes take up a fair amount of space. I still haven't figured out where I'm going to stash them this winter. I recently used these to start a backup crop in case weather, rabbits, squirrels, or general garden chaos wipes out some of my plants later in the season. The cells hold a generous amount of growing medium, and planting an entire tray was much faster than dealing with multiple smaller setups. Overall, this system makes seed starting simpler, more organized, and more efficient. For anyone who starts a lot of seedlings each year, that's a win.

### ⭐⭐⭐⭐⭐ Medium thickness, good quality
*by L***3 on 18 April 2026*

These 1020 trays are exactly as expected. They are of moderate density and thickness, and the plastic is sturdy enough that I expect them to last through several seasons of use. This is my second year of raising flowers from seeds, and I went a bit overboard with how many seedlings I planted. I have another week or two before I can safely plant everything outside in my area, so I needed them to make it easier to transport all the pots outside to harden them off. They’re big enough to hold various sizes of pot- I use them primarily for 2” and 4” pots. For those, they are plenty deep enough to carry without the pots flipping over the side. There is still a bit of flexibility to the trays, so definitely carry them in a way that best distributes the weight. So far, I’ve had no issues at all with cracking or buckling of the plastic. One of the other things I’ve been bottom watering quite a bit, and one of the things I like about these trays is that the grooves in the bottom are deep enough (with no drain holes) to allow excess water to go below the bottoms of the pots, which keeps their roots from staying too wet if they don’t take up all the water. I’ve had no issue with these- the 10 pack provides a lot of space for individual pots (depending on the configuration of your cell trays, they may or may not fit as well). The cost is comparable to similar products, and may actually be on the less expensive side for similar quality.

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-07-09*