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Black 10x20 inch propagation tray with drainage holes and raised ridges.
Black propagation tray with embossed "Grow" logo and drainage holes.
Black 10x20 inch propagation tray with drainage holes and raised ridges.
Black propagation tray with embossed
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Grow1 Standard Propagation Tray with Drain Holes - 10" x 20"

Official Grow1 Dealer Model: 912910
$6.49 USD
  • 10 x 20 inch footprint fits up to 72 seedling cells per tray
  • Pliable crack-resistant plastic withstands heavy seasonal use
  • Compatible with industry-standard humidity domes and heat mats
  • View More Details

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THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are starting clones in high-humidity domes because you need reliable drainage to prevent stagnant root zones.
  • You are upgrading your nursery setup because thin, brittle trays keep snapping and spilling your media mid-season.

What We Found

  • We like that these are flexible enough to twist a bit without cracking, which is great when moving full trays.
  • The holes are punched at the low points between the ridges, so you don't get those annoying puddles in the corners.

What Users Say

  • Growers say their cuttings root faster now that air can circulate underneath the tray instead of sitting in a puddle.
  • Users who handle hundreds of flats a day say the reinforced rims make it easier to carry them with one hand.

Grow1 Standard Propagation Tray with Drain Holes - 10" x 20"

The Grow1 Standard 10x20" Propagation Tray is the industry-standard foundation for successful seed starting and cloning. Engineered for versatility, this tray provides the ideal environment for healthy root development whether you are using rockwool cubes, seedling mix, or specialized media like the Grow1 Speedy Root 32-Cell Starter Tray. Unlike flimsy, single-use alternatives, Grow1 trays are manufactured from a pliable, crack-resistant plastic designed to withstand the rigors of a busy grow room season after season.

This "With Holes" version is specifically designed for growers who prioritize drainage and root aeration. The precision-cut drainage holes allow excess water to escape freely, preventing the stagnant, waterlogged conditions that lead to damping-off and root rot. If you require a solid base for reservoir-style feeding, consider the Grow1 Standard Propagation Tray with no drain holes. To further enhance performance, the base of the tray features integrated raised channels. These ridges elevate your pots or insert trays, allowing for vital air circulation underneath the root zone and promoting natural air-pruning.

With a standard 10" x 20" footprint, this tray is perfectly compatible with all Grow1 humidity domes and 72-cell seedling trays. Whether you are running a large-scale nursery or a home hobby tent, these trays offer the professional-grade reliability and moisture management necessary for high germination rates and vigorous clones.

Features

💧
Precision Drainage

Built-in drainage holes prevent overwatering by allowing excess nutrients and moisture to exit the root zone immediately.

🌬️
Raised Air Channels

Integrated ridges elevate your media or inserts, ensuring air can circulate beneath the roots to prevent rot.

🛡️
Crack-Resistant Plastic

Constructed from pliable, high-quality plastic that resists the brittleness and snapping common in cheaper nursery flats.

📦
Standard 1020 Fit

Universally compatible with industry-standard humidity domes, heat mats, and 50-cell seedling inserts.

Specifications

Specification Value
Dimensions 20in x 10in x 2.25in
Drainage Style With Drain Holes
Material Pliable, Crack-Resistant Plastic
Internal Features Raised Air Circulation Channels
Case Quantity 100 Trays
Compatibility Standard 1020 Domes & Seedling Inserts

FAQ

When should I use a tray with drain holes? +

Trays with drain holes are best for "top-watering" applications where you want to ensure excess water doesn't sit at the bottom of your media. They are typically placed inside a second 1020 tray (without holes) to catch the runoff and keep your grow area clean.

What are the benefits of the raised channels? +

The raised channels serve two purposes: they provide structural rigidity to the tray and, more importantly, they elevate your pots or insert cells. This elevation allows air to flow underneath, preventing stagnant water and encouraging healthy root pruning.

Are these trays reusable? +

Yes. Because they are made from pliable, crack-resistant plastic rather than standard "one-time-use" nursery flats, these trays can be washed, sanitized, and reused for multiple growing cycles.

Will this tray fit on a standard 10x20 heat mat? +

Absolutely. This tray follows the industry-standard 1020 dimensions and is designed to sit flat on propagation heat mats for consistent warming of the root zone.

What depth of humidity dome should I use? +

This tray is compatible with both 2-inch and 7-inch domes. The 7-inch "Tall" domes are recommended for clones, while the 2-inch domes are standard for seeds and microgreens.

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Questions About This Product?

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