Small (25mm) – Suitable for small, fast-growing seeds e.g. Lettuce, Rocket, Spinach and herbs
Medium (35mm) – Suitable for medium-sized seeds such as Tomatoes, Peppers, and Cucumbers or for larger herb plants like dill or parsley.
Large (50mm) – Suitable for large seeds or slow-growing plants e.g. Aubergines, Courgettes and Squash



