Introduction
Welcome to the future of indoor gardening with the LetPot LPH-Max Hydroponics Growing System. This innovative system is designed to simplify the process of growing fresh herbs, vegetables, and fruits indoors, providing an effortless and efficient gardening experience.
The LetPot MAX is the world's first system to provide automatic watering and nutrient supply, utilizing a water level sensor to automatically monitor and adjust both water level and nutrients, completely freeing up your hands. With the exclusive LetPot app, you can easily set a 0-24 hour LED lighting schedule with just a few clicks, making it ideal for both part-time gardeners and home plant enthusiasts.
Equipped with a genuine 36-watt full spectrum LED and an eight-level adjustable lighting system, this setup mimics natural sunlight to enhance photosynthesis, accelerating plant growth speeds by up to 300% compared to traditional methods. The system supports robust growth even through the lengthy winter months. The LetPot app further enhances your experience with remote OTA updates, a plant encyclopedia, and a plant diary.
The LetPot app is your ideal assistant, offering two LED lighting modes for customization (blue light for growth, red light for flowering), water level alerts, and a silent mode. All operations are easily managed through the app, enabling on-demand gardening. Crafted from imported stainless steel and rigorously certified, the system features an adjustable LED lighting rod that extends up to 30 inches and a 7.5-liter water tank providing up to 30 days of automatic watering. Adjust light intensity, growth timings, and modes effortlessly via the app or the 4.8-inch dynamic LCD screen.
Your purchase includes everything needed to start planting immediately, ensuring a long-term commitment to your green success.

Figure 1: The LetPot LPH-Max Hydroponics Growing System in operation.
What's in the Box?
Upon opening your LetPot LPH-Max package, please verify that all components listed below are present:
- Hydroponics Growing System x 1
- 21 Pods Growing Tray x 1
- 2 Pods Growing Tray x 1 (Exclusive package)
- Sponges x 21
- Big Sponge x 2 (Exclusive package)
- Basket kit x 21
- Big Basket x 2 (Exclusive package)
- Germination Cover x 21
- Support Rod x 8 (Exclusive package)
- A Solid Nutrient x 1
- B Solid Nutrient x 1
- Plug adapter x 1
- Transparent pipe x 1

Figure 2: Contents of the LetPot LPH-Max package.
Setup Guide
Setting up your LetPot LPH-Max is a straightforward process. Follow these general steps to get your indoor garden ready:
- Unpack Components: Carefully remove all items from the packaging and ensure nothing is missing as per the 'What's in the Box?' section.
- Assemble the System: Place the main hydroponic unit on a stable, flat surface. Insert the LED grow light support rod into the designated slot on the base.
- Prepare Pods: Place the sponges into the planting baskets, then insert them into the growing tray. Add your chosen seeds to the sponges.
- Fill Water Tank: Fill the 7.5-liter water tank with clean water up to the indicated fill line.
- Add Nutrients: Dissolve the A and B solid nutrients in water according to the instructions provided on their packaging, then add the solution to the water tank.
- Connect Power: Plug the power adapter into the unit and then into a standard electrical outlet.
- Download the App: Download the official LetPot app from your device's app store (available on Android and iOS).
- Pair with App: Follow the in-app instructions to pair your LetPot LPH-Max system with your smartphone via WiFi. This will allow for smart control and monitoring.

Figure 3: Monitor and control your garden from anywhere with the LetPot App.
Operating Your LetPot System
The LetPot LPH-Max is designed for ease of use, offering both app control and a dynamic LCD screen for managing your garden.
App Control & LCD Screen
- Remote Management: Use the LetPot app to control all functions from your smartphone, including lighting schedules, pump modes, and monitoring water levels.
- On-Device Control: The 4.8-inch dynamic LCD screen on the unit provides accurate data and allows for direct adjustments of light intensity, growth timings, and switching between different light modes.

Figure 4: LetPot's 4-in-1 Indoor Garden Innovation.
Lighting System
- 36W Full Spectrum LED: The powerful LED light mimics natural sunlight, providing optimal conditions for plant growth.
- Adjustable Brightness: Customize light intensity with 8 levels to suit different growth stages and plant needs.
- Growth Modes: Choose between two LED lighting modes: blue light to promote growth and red light to aid flowering.
- Adjustable Height & Angle: The light rod extends up to 30 inches, and the light panel has a 180-degree adjustable angle to accommodate growing plants.

Figure 5: Genuine 36-Watt Full Spectrum Light with 180° Adjustable Angle.
Automatic Watering & Nurturing
- Water Level Sensor: The system automatically monitors and adjusts water levels, ensuring plants receive adequate hydration.
- Nutrient Supply: Automatic nutrient delivery ensures your plants are consistently fed for optimal growth.
- 7.5L Water Tank: The large capacity tank provides up to 30 days of automatic watering, reducing the frequency of refills.
- Silent Pump: The intelligent water pump operates quietly (as low as 20dB), ensuring a peaceful environment.

Figure 6: Your Garden Butler: Auto-Watering and Auto-Nurturing.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your LetPot LPH-Max system.
- Water Refills: The system's 7.5-liter tank can last up to 30 days. The app will provide water level alerts when a refill is needed. Always use clean, fresh water.
- Nutrient Replenishment: Follow the nutrient instructions for proper mixing and replenishment. The system's automatic nurturing feature will distribute the nutrients.
- Cleaning: Periodically clean the water tank and other components to prevent algae buildup and ensure healthy plant growth. Refer to the detailed cleaning instructions in the full user manual (PDF) for best practices.
- Pruning: As your plants grow, prune them as needed to encourage bushier growth and prevent overcrowding, especially in the 21-pod tray.
Troubleshooting
Here are some common issues and their potential solutions:
- App Connection Issues: If the app occasionally drops connection, try resetting your Wi-Fi connection or restarting the app. Ensure your device is within range of your home Wi-Fi network.
- Plants Not Growing: Verify that the LED grow light is functioning correctly and set to the appropriate schedule and brightness for your plants' growth stage. Check water and nutrient levels. Ensure seeds have germinated.
- Water Level Alerts: If you receive a water level alert, promptly refill the water tank. Ensure the water level sensor is clean and unobstructed.
- Algae Growth: Algae can sometimes form in the water tank. Regular cleaning and ensuring the germination covers are properly placed can help minimize this.
- Pump Not Working: Check if the pump cover is properly seated and if there are any obstructions. Ensure the unit is powered on.
For more detailed troubleshooting steps, please refer to the comprehensive user manual available as a PDF document.
Specifications
| Feature | Detail |
|---|---|
| Brand | LETPOT |
| Model Name | LPH-Max |
| Product Dimensions | 15.75 x 7.09 x 9.84 inches |
| Item Weight | 8.54 pounds (3.88 Kilograms) |
| Power Source | AC Adapter |
| Special Feature | Adjustable, Automatic Watering |
| Shape | Rectangular |
| Plant or Animal Product Type | Plant |
| Number of Sets | 21 |
| Control Type | App & Sensor |
| Fit Type | Hydroponic System Specific |
| Number of Pieces | 21 |
| Volume Capacity | 7.5 liters |
| Material | Stainless Steel |
| Style | Modern |
Important Safety Information
Users should take care when connecting the kit to a water source, installing the system to prevent leaks or water damage, and handling the materials and components. Always follow the product manual's instructions. Be aware that improper use may result in property damage or personal injury.
Warranty and Support
All LetPot products come with a lifetime service and continuous App upgrades OTA, ensuring you always have access to the latest features to fully optimize your indoor planting experience.
For any questions, technical support, or warranty claims, please contact LetPot's garden customer service. Refer to the contact information provided in your product packaging or on the official LetPot website.
You can also find the full User Manual (PDF) for more detailed information and instructions: Download User Manual PDF




