Introduction
Thank you for choosing the JULIAQUA Automatic Aquarium Feeder. This device is designed to provide convenient and reliable feeding for your fish, turtles, and frogs, ensuring they are fed on schedule even when you are away. It features 4 automatic feeding modes and a manual feeding option.

Diagram showing the components of the JULIAQUA Automatic Aquarium Feeder, including the hopper opening, battery compartment, control panel, universal feed container, flat base, and clamp adjustment knob.

Close-up of the control panel with 'Manual' button, 'Setting' button, and Timer LEDs indicating 6, 12, 24, and 48-hour intervals.
Setup
1. Battery Installation
The feeder requires two AA batteries (not included).
- Open the battery compartment.
- Insert two AA batteries, ensuring correct polarity.
- Close the battery compartment securely.
Note: The product is energy-efficient, and two batteries can last up to six months with daily use.
2. Food Loading
The feeder is suitable for various types of fish food, including flakes, pellets, powders, and strips.
- Open the hopper opening.
- Fill the universal feed container with your desired fish food.
- Close the hopper opening.
Important: Do not turn the feeding case by hand.
3. Installation Methods
The feeder offers two installation options:
- Adjustable Clip Base: Attach the feeder to an aquarium cover with a thickness of 1 to 25 mm using the adjustable clip.
- Flat Base: Place the feeder directly on top of the aquarium using the flat base, utilizing any existing openings in the aquarium lid.
Caution: Always place the feeder above the water tank to prevent water infiltration.

The JULIAQUA Automatic Aquarium Feeder installed on the edge of an aquarium, demonstrating its placement above the water.

Image illustrating the feeder's features: 4 automatic and 1 manual feeding mode, durable ABS material, and a maximum fixed thickness of 22mm for mounting.
Operation
1. Setting Automatic Feeding Modes
The feeder provides 4 preset automatic feeding modes: every 6, 12, 24, or 48 hours.
- Press the "Setting" button (right button on the control panel) repeatedly to cycle through the feeding intervals.
- The corresponding LED light (6, 12, 24, or 48) will illuminate to indicate the selected interval.
- The feeder will automatically dispense food at the chosen interval.
2. Manual Feeding
To dispense food manually at any time:
- Press the "Manual" button (left button on the control panel).
- The feeder will perform one rotation and dispense food immediately.
3. Adjusting Feeding Volume
The amount of food dispensed can be adjusted using the slider on the feeder.
- Locate the slider mechanism on the feeder's food container.
- Adjust the slider to increase or decrease the opening size, thereby controlling the quantity of food released per rotation.
Note: For smaller aquariums or fewer fish, start with the minimum setting and observe the amount dispensed.
Maintenance
1. Cleaning
To prevent mold growth and ensure proper function, clean the feeder regularly.
- Remove the food container from the main unit.
- Empty any remaining food.
- Clean the container and dispensing mechanism with a soft brush and warm water. Do not use harsh detergents.
- Ensure all parts are completely dry before reassembling and refilling with food.
2. Battery Replacement
Replace batteries when the feeder's operation becomes inconsistent or the indicator lights dim.
- Open the battery compartment.
- Remove old batteries and dispose of them responsibly.
- Insert new AA batteries, observing polarity.
- Close the compartment.
3. Storage
If not using the product for an extended period, clean it thoroughly and remove the batteries before storing in a dry place.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Feeder not dispensing food | Batteries are low or incorrectly installed. | Replace batteries or check polarity. |
| Feeder not dispensing food | Food is clumped or stuck in the dispenser. | Clean the food container and dispensing mechanism. Ensure food is dry. |
| Feeder not dispensing food | Hopper opening is blocked. | Clear any obstructions from the hopper opening. |
| Too much/too little food dispensed | Feeding volume slider is incorrectly set. | Adjust the feeding volume slider to the desired amount. |
| Feeder stops working after a short period | Water infiltration. | Ensure the feeder is placed above the water tank. Clean and dry the unit thoroughly. |
| Automatic mode not activating | Incorrect setting. | Re-press the "Setting" button to select the desired interval (6/12/24/48 hours). |
If problems persist, please contact customer support.
Product Specifications
| Feature | Detail |
|---|---|
| Model Number | YA-788 |
| Brand | JULIAQUA |
| Target Species | Fish |
| Recommended Food Types | Wet food, Dry food (flakes, pellets, powders, strips) |
| Special Features | Timer, Programmable |
| Color | White, Blue |
| Capacity | 200 Milliliters |
| Included Components | Automatic feeder unit, adjustable clip, flat base |
| Power Source | Battery powered (2 x AA batteries, not included) |
| Operating Modes | Automatic (6/12/24/48 hours), Manual |
| Product Dimensions (L x W x H) | 12 cm x 8 cm x 10 cm |
| Max Clamp Thickness | 25 mm |
| Country of Origin | China |

Diagram showing the dimensions of the JULIAQUA Automatic Aquarium Feeder: 12cm length, 8cm width, and 10cm height.
Warranty Information
This JULIAQUA product comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects and material faults under normal use.
The warranty does not cover damage caused by misuse, accident, unauthorized modification, or failure to follow the instructions in this manual.
Please retain your proof of purchase for warranty claims.
Customer Support
If you have any questions, require assistance, or encounter issues with your JULIAQUA Automatic Aquarium Feeder, please do not hesitate to contact our customer service team.
For support, please visit the JULIAQUA Brand Store on Amazon or refer to your purchase platform for contact details.