LetPot LPH-PRO Instruction Manuel

  • Take out the device from the package.

  • Take out the protive jacket.

  • Connect the plug to the corresponding socket.

  • Add an amout of water with plant food to the tank.

  • Put the sponges in the basket and put the 2~3 seeds into the sponges kit that you want to plant.

  • Cover the germination cover and enjoy you grown.


Why do only a few of the plants grow and once grown, they quickly wither?

A:The seeds you purchase make a difference. For best results, purchase seeds from reliable manufacturers and avoid purchasing seeds that are not suitable for water hydroponic devices.
B: Ensure you are using the correct proportion of nutrient solution to water, LED light distance from the plants and temperature
stated in the user guide.

Can sponges be reused?

It's reusable if pull out the stem of a plant, but we don't recommend doing so as it's not as good as the first use.

Does it kill the plant to remove it from a sponge (if I want to move it to a pot, for example?

Normally, it won't, you d better wait until it's vigorous to improve survival rates.

Why the LED light can not be turned on?

Push or reinsert the rod down into the bottom until you hear a "Beep" sound, and then press the 'POWER" button, the light will be on.

How to clean the water pump?

Step 1: Turn the power off
Step 2: Remove the extendable rodand the top cover of the water tank
Step 3:
Take out the sponge in front of the water pump and rinse it with water. Any washing liquid will harm the nutrition balance.
(if it is very dirty, please rinse the water pump all together)
Step 4: Install those back and restart the machine.

Planting Instructions

Step 1. Make Plant Food Solution (2 Methods)

①Mix the bottle of nutrient A and nutrient B with water and keep shaking until totally dissolve. The correct proportion of nutrients is A:B:Water = 5:5:1000 (Each 5ml plant food solution A and B should be combined with 1L water.)

②Use the nutrient bottle's cap as a measure, fill both caps with nutrients A and B and
dissolve them with 5ml water respectively. Then add the liquor nutrients A into 1L water
and mix it well. Liquor nutrient B is as same steps as A.

NOTE: The unopened plant food can be stored for 2 years under normal temperature and dark condition.If you use method ① to make plant food solution, the dissolved plant food can be well preserved for 5 months in dark and sealed case.)

Collapsible content


When insert the plug into the power source, the machine will make a  long"beep" sound, indicating that the power is completed. The lighting  at the bottom of the "POWER" icon flashes slowly, that means the  machine is in the standby mode; Touch the button once, the machine  will automatically turn on, and the machine is in VEG&HERBS mode.
NOTE: If there is not enough water in the water tank when the machine is turned on, you will hear a beep sound for 30 seconds. This is an  alarm sound to indicate that there is not enough water in the water tank. You can press any button or wait for 30 seconds to stop the beep  sound. When the icon flashes on the screen, that means you should  add water and nutrient solution; At the same time, you may hear a roaring motor sound. This is the normal working sound of the pump in an  anhydrous state, and it can be automatically eliminated after adding water.


When you press the"PLANT"button, the red, blue and white LED beads will turn on and the indicator of this button will be on during theworking period.
The auto on and off timer workson a 24hour cycle. When choosing the Plant mode, the hydroponic growing system will light on for 16 hours,  enter sleeping mode for 8 hours and will flash slowly. After that, the  hydroponic growing system will automatically lightn at the same time  the next day.


After pressing the "Power button", the indicator of
Pump button will be on at the same time and the pump will  automatically enter the working  cycle of 30-minutes on and 30-minutes off. If you press the Pump button once, then the indicator of  this button will flash and immediately enter 12 hours sleeping  mode. After the sleeping mode is completed, the pump will enter the working  cycle of 30-minutes on and 30-min-utes off again.

℃ / UP

In the standby mode, press "℃/UP" button once,  the temperature indication on the screen will switch to "Celsius" display; press again, a beep will sound, and the temperature  indication will not change. When you need to adjust the  "PLANT DAYS" displayed on the screen, please press once  "SETUP" button first to make the number of planting days  displayed in flashing state, and then press this button again, the  number of planting days will be changed. Each time you press it,  the number of planting days will increase one day.

SETUP---Press on

In the standby mode,  press "SETUP" button once, the temperature indication on the screen will switch to "Celsius" display;  press again, a beep will sound, and the temperature indication will not  change. When you need to adjust the "PLANT DAYS" displayed on the screen, please press once "SETUP" button first to make the number of planting days displayed in flashing state, and then press this button  again, the number of planting days will be changed. Each time you  press it, the number of planting days will increase one day.

SETUP---Long Press for  3 seconds

In the standby mode, press once, the number of "PLANT DAYS" on the screen will start to flash, and the numberof days can be manually  adjusted. This number will flash for 10seconds, then automatically stop flashing and confirm the current number; or within 10  seconds of  flashing, press the "SETUP" button again,the number of "PLANT DAYS" on the  screen will stop flashing and  confirm the current number.

℉ / DOWN

In the standby mode, press "℉/DOWN" button once, the temperature indication on the screen will switch to "Fahrenheit" display; press again, a beep will be sounded, and the temperature indication will not change. When you need to adjust the "PLANT DAYS" displayed on the screen, please press once "SETUP" button first to make the number of planting days displayed in flashing state, and then press this button again, the  number of planting days will be changed.Each time you press it, the  number of planting days will decrease one day.

How to find and install the LetPot APP

1 You can scan this QR code or directly search LetPot on Apple stone or Google play.

2 Press the "SETUP" button for 3 second. The device will make a long second and come to "scan mode" for network, the indicator line will flash for 3mins.

  • Device Home Page

    Click the [Add Device] button on the top right corner

  • Searching for a device to pair

    Choose a device founded on the list

  • Connecting the LetPot

    Keep you phone close to the device

  • Connect LetPot to network

    Choose a WI-FI for LetPot to connet.

  • Enter the Wi-Fi password

    Enter the Wi-Fi password, for the LetPot device to connect to the Internet.

  • Connected successfully

    When all is done, the page will redirect to the device's main page, where you can browse and confgure the LetPot.

FCC Statement

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
In the standby mode, Long press for 3 seconds , the “Indicator for internet” marker will start to flash for 3 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits SETUPfor 3 seconds Long Press fast flash 3 times and the marker will be lighting immediately; if no found or connected to APP , the marker will disappear after mins,in this time ,you can scan this device on Smart Life app by your phone; if found and connected to APP ,this marker will tions. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communica-3 mins. radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

--Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help

This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions (1)this device may not cause harmful
interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Download Manuel

*You can download this manual on drive.google.com
and feel free to contact us if you have any questions: service@letpot.com