LetPot SS-Pro Smart Seed Starter Kit with App Control (Black)

Smarter Seed Starting, Stronger Seedlings — All-in-One Smart Germination with Light, Heat & App Control

The LetPot SS-Pro Smart Seed Starter Kit is an all-in-one indoor germination system that takes the guesswork out of growing from seed. Combining a 24W full-spectrum LED grow light, a 24W heated base, real-time EC and temperature monitoring, and smart app control, it creates the ideal environment for faster sprouting and stronger, healthier seedlings. With a 40-cell tray, adjustable humidity dome, and support for 200+ plant varieties, it's the complete upgrade from a basic seed tray — for beginners and experienced growers alike.

• 24W Full-Spectrum LED Grow Light: Delivers bright, even coverage across the entire 40-cell tray, reducing leggy and weak seedlings by providing consistent light from edge to edge at every growth stage.
• 24W Integrated Heating Base: Maintains stable root-zone warmth within ±1°C (±2°F) for more consistent germination — faster than using a separate heat mat, with built-in overload protection for safe operation.
• AI Day-Night Temperature Control: Automatically cycles between day and night temperature conditions through the app to promote stronger, steadier growth with less manual intervention.
• Real-Time EC & Temperature Monitoring: Built-in precision sensors track root-zone EC and temperature in real time, with app alerts when readings move outside your preset range — helping avoid over- or under-feeding.
• App & Touch Panel Control: Manage light schedules, brightness levels, and temperature settings remotely via the free LetPot app, or adjust directly on the on-unit touch panel — no subscription required.
• One-Touch Automatic Control: Select your plant type in the app and SS-Pro automatically configures the optimal light and temperature conditions — ideal for beginners who want simplicity without sacrificing results.
• Adjustable & Rotating Light Panel: Raise, lower, and rotate the grow light panel up to 10" above the tray to accommodate different plant heights and growth stages.
• Adjustable Humidity Dome with Ventilation: The 4.72" dome locks in moisture during early germination and features adjustable ventilation to fine-tune airflow and reduce mould risk as seedlings develop.
• Supports Seeds & Cuttings: Beyond seed starting, SS-Pro also supports indoor propagation of cuttings for herbs, houseplants, and more — including pothos, basil, rosemary, and sage.
• Grow 200+ Plant Varieties: Compatible with vegetables, herbs, flowers, tomatoes, peppers, cucumbers, and more. Works with standard grow media including sponges, coco coir, or mixed soil — no proprietary refills required.
• Durable Leak-Proof Design: Built from heat-resistant ABS with leak-proof tray edges to contain water and protect surfaces beneath.
• Independent Power Supply with Overload Protection: Stable dedicated power supply with built-in overload protection keeps indoor growing safer and more reliable, even in winter.

• Model: LetPot SS-Pro
• Tray Capacity: 40 cells
• Cell Size: 1.6" × 1.6" × 2.36" (approx. 40.6 × 40.6 × 59.9 mm)
• Humidity Dome Height: 4.72" (approx. 120 mm)
• Maximum Light Height: 10" (approx. 254 mm)
• Overall Length: 14.17" (approx. 360 mm)
• Grow Light: 24W Full-Spectrum LED panel
• Heated Base: 24W integrated heating module
• Temperature Precision: ±1°C (±2°F)
• Monitoring: Real-time EC + Temperature sensors (<1% EC sensor error)
• Control Modes: App (LetPot) + Touch Panel
• Compatible Plant Varieties: 200+
• Colour: Black
• Material: ABS (heat-resistant)
• Shape: Rectangular
• Warranty: 12 months
• What's in the Box:
  • 24W Full-Spectrum LED Grow Light & Adjustable Rod (× 1)
  • 24W Heated Base (× 1)
  • 40-Cell Seed Starter Tray with Adjustable Humidity Dome (× 1)
  • EC & Temperature Sensor (× 1)
  • Power Adapter (× 1)