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  • Seed Trays
  • 5x5 Plant Humidity Dome

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    5x5 Tray Extra-Strength Humidity Domes

    Finally, an easy way to control the humidity of your small-batch microgreens.  Our heavy-duty Humidity Dome for 801 Tray inserts helps you regulate the temperature and moisture needed for the germination of your seedlings.  Made from Extra Strength recycled plastic.  Our domes are not flimsy or brittle like others. 

    Sizing:

    • Length: 5 inches
    • Width: 5 inches
    • Short Height  Tall Height
      2.5 inches 5.5 inches

    Other Features

    • Adjustable Humidity Vent
    • Fits our 5x5 microgreen tray inserts
    • Not intended for use in direct sunlight 
    • Humidity domes are designed to rest on the rim of the tray gently, it is not meant to seal or click


    Free shipping on orders over $75 to Contiguous US

    Shipping Policy

    Most products will ship from our facility in 1 to 2 business days after the order is placed.  Express shipments placed after 12PM EST will be shipped out next business day. Full details can be found on our Shipping Policy Page

    Returns Policy

    Returns can be made on most products within 30 days of purchase. After 30 days we unable to offer a refund or exchange. Certain products are non-returnable. For full details visit our Returns Policy

    QUESTIONS & ANSWERS

    Ask a Question
    • What plastic number are these domes made from.

      The domes are made of PET (polyethylene terephthalate) plastic.

    • Do you know when the short 5x5 domes will be back in stock?

      We expect to have those back in stock by mid to late Oct.

    Customer Reviews
    4.6 Based on 17 Reviews
    5 ★
    82% 
    14
    4 ★
    6% 
    1
    3 ★
    6% 
    1
    2 ★
    6% 
    1
    1 ★
    0% 
    0
    Customer Photos
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    Your input is very much appreciated. Share it with your friends so they can enjoy it too!

    Filter Reviews:
    A
    02/25/2025
    Anonymous
    United States

    Humidity domes don’t stay on the cells.

    I’m having to tape them onto the cells because they won’t stay on. They fall off to the slightest of touch or movement.

    A
    01/28/2025
    Anonymous
    United States

    Great germination.

    I got these along with the 5x5 trays to do bulk germination of various seeds with plan to ***** out. Best germination using this method. Saves space and soil for germinating also.

    JA
    09/23/2024
    Jorge A.
    United States

    Not like the pictured ones.

    Overall they will work for what I need. But they are more tapered narrow at the top, than the pictured ones. The pictured ones seem to have more of a straight sidewall. Y’all should probably consider updating the pictures to match the actual product.

    TM
    03/11/2024
    Tamara M.
    United States

    Great for small spaces

    Having domes that fit the 5x5 and 1010 trays is great for me with very little indoor space to start seeds or microgreens. The durability of materials used also means I can wash and reuse, which I found was not the case with my first trays from the 'big box' which cracked and were thin. The colour options are fun as well and make growing on a window ledge a joy.

    Bootstrap Farmer 5x5 Plant Humidity Dome Review
    AM
    02/21/2024
    Anita m.
    United States

    Perfect humidity domes

    These have worked great for me. Love how well they fit.