The Stack.

Enhance your Sprout. with The Stack. two thoughtfully designed modules that supports larger seeds, faster rotation, and expanded capacity. Because growth is just the beginning.

Enhanced Depth & Dual-Zone Germination
Upgrade your Sprout. with a modular expansion that adds both depth and flexibility to your growing system.

Spacer Attachment:
Boosts pod depth by 0.635 cm, perfect for germinating larger seeds or layering different grow mediums.

Second-Tier Tray:
Adds an extra pod, creating a dual-zone environment—ideal for starting different seed types or managing staggered growth stages.

Dynamic Temperature Zones
The second-tier tray naturally runs 0.5–1°C cooler, giving you more control and versatility:

• Main Pod

  • Green LED: 77–79°F (25–26°C)

  • Red LED: 80–82°F (27–28°C)

• Second-Tier Pod

  • Green LED: 75–77°F (24–25°C)

  • Red LED: 78–80°F (26–27°C)

Modular & Scalable Design
Fully compatible with The Sprout, this expansion lets you:

• Stack multiple tiers for greater germination capacity

• Accommodate larger or more specialized seeds

• Customize your setup with ease

Grow more. Grow smarter. Your next level of germination starts here.