![Seed/Gravel Trays - Seed Trays, Inserts & Lids - Unheated Propagation - Propagation Range - Propagation & Growing - All Products Seed/Gravel Trays - Seed Trays, Inserts & Lids - Unheated Propagation - Propagation Range - Propagation & Growing - All Products](https://www.garlandproducts.com/media/catalog/product/cache/c13aaa7d3f61d7ffdabad2d70cefa814/w/0/w0200_bio-based_mini_seed_trays_with_plants.jpg)
Seed/Gravel Trays - Seed Trays, Inserts & Lids - Unheated Propagation - Propagation Range - Propagation & Growing - All Products
![Whitefurze Set of 5 Plastic Garden Greenhouse Gravel Tray - Medium Gravel Tray 38cm : Amazon.com.au: Garden Whitefurze Set of 5 Plastic Garden Greenhouse Gravel Tray - Medium Gravel Tray 38cm : Amazon.com.au: Garden](https://m.media-amazon.com/images/I/71V5wZ2vxDL._AC_UF894,1000_QL80_.jpg)
Whitefurze Set of 5 Plastic Garden Greenhouse Gravel Tray - Medium Gravel Tray 38cm : Amazon.com.au: Garden
![Amazon.com : 10 Seed Starting Plant Growing Trays (Without Holes) - Durable, Reusable - Grow and Start Seeds, Good for your greenhouse, microgreens and Hydroponics - PACK OF 10 FLATS + FREE Amazon.com : 10 Seed Starting Plant Growing Trays (Without Holes) - Durable, Reusable - Grow and Start Seeds, Good for your greenhouse, microgreens and Hydroponics - PACK OF 10 FLATS + FREE](https://m.media-amazon.com/images/I/91IEaVZtCcL.jpg)
Amazon.com : 10 Seed Starting Plant Growing Trays (Without Holes) - Durable, Reusable - Grow and Start Seeds, Good for your greenhouse, microgreens and Hydroponics - PACK OF 10 FLATS + FREE
![Hey guys, I moved house and we now have a greenhouse. What are these trays used for with stones inside? And the big steel nets? Thanks : r/Greenhouses Hey guys, I moved house and we now have a greenhouse. What are these trays used for with stones inside? And the big steel nets? Thanks : r/Greenhouses](https://preview.redd.it/djfq2no6lp651.jpg?width=640&crop=smart&auto=webp&s=22406bdcfecb9792d0675a1418ac995c79b2060f)