Gro-Smart Tray
Best versatile propagation tray for indoor hydroponic gardeners.
The Grodan Gro-Smart Tray is a robust propagation solution designed to perfectly house your Grodan Starter plugs, Mini-Blocks, and Gro-Blocks. This Dutch-made tray features a clever double-sided design, offering a 78-cell configuration for specific plugs on one side and a mesh surface for sheets of media on the other. It fits standard 10x20 flats, keeping your growing media elevated. Crafted from durable hard plastic, this tray is exceptionally easy to clean and is even dishwasher safe, ensuring a hygienic and efficient propagation process.
$18.20
Owner Satisfaction
4.6
/ 5
Category Rank
104
/ 611
#104 in Garden Pot Saucers & Trays
Price vs Category Average
-71%
Below average
Quantity
20
/ per case
Who it's for
- Indoor gardeners seeking perfectly spaced, stable rockwool starts
- Hydroponic growers prioritizing precise moisture and aeration control
- Sustainable cultivators needing long-lasting, sterilizable equipment
Who should skip it
- Traditionalists requiring the natural breathability of genuine clay pots
- Budget-conscious hobbyists preferring inexpensive, generic propagation flats
- Organic gardeners using soil, coco coir, or peat pellets
Performance breakdown
Versatility
Dual-sided design effortlessly accommodates both individual plugs and full media sheets.
Build Durability
Hard plastic construction withstands repeated use and rigorous cleaning cycles.
Hygiene Maintenance
Dishwasher-safe material makes sanitizing between propagation cycles incredibly simple.
Drainage Efficiency
Elevated mesh design prevents waterlogging and promotes healthy root development.
System Compatibility
Standard 10x20 footprint integrates seamlessly into existing indoor grow setups.
Propagation Precision
Dedicated cell structure ensures stable, uniform spacing for consistent seedling growth.
Key Specs
Quantity
20 per case
Cell Count (Side 1)
78 cells
Plug Compatibility (Side 1)
1.5" A-OK Starter plugs or round Macroplugs
Material
Hard Plastic
Fitment
Standard 10x20 flat
Origin
Dutch
Drainage
Yes (via mesh side)
Indoor/Outdoor Use
Indoor
Features
- Dual-sided for various media types
- Elevates media above flat bottom
- Precise cells for specific plugs
- Mesh side for sheets or blocks
- Fits standard 10x20 flats
- Dishwasher safe for easy cleaning
- Durable hard plastic construction
- Designed for propagation efficiency
What customers say
Users highly value the Gro Smart Tray primarily for its outstanding ease of use. It perfectly fits Grodan growing blocks, making propagation remarkably simple. Beyond functionality, the tray features high quality construction and an appealing terracotta design that enhances indoor growing spaces. Although the price is slightly premium, the specialized design and dependable performance provide growers with excellent overall value. This tray successfully blends utility with aesthetics.
Know before you buy
The tray is designed for versatility. One side features 78 cells specifically sized for 1.5-inch A-OK Starter plugs or round Macroplugs, while the reverse side offers a mesh surface ideal for larger sheets of media or Mini-Blocks.
Yes, the Gro-Smart Tray is engineered to fit standard 10x20 flats, making it a seamless addition to most indoor propagation systems.
The tray elevates your growing media above the bottom of the flat, which improves airflow and prevents your plugs from sitting in stagnant water. This design promotes healthier root development and reduces the risk of rot.
Absolutely. Because it is constructed from durable, high-quality hard plastic, the tray is dishwasher safe, allowing for quick and thorough sanitation to maintain a hygienic environment for your next batch of cuttings.
The Gro-Smart Tray is specifically designed for indoor propagation use. Its lightweight, durable plastic construction is optimized for controlled environments rather than exposure to harsh outdoor elements.
Still have a question?
Ask Hayley anything about this product before you decide.