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  • Seed Trays
  • 5x5 Plant Humidity Dome

    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. 


    • 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 $49 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


    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.