1. Introduction and Overview
This manual provides essential information for the safe and effective use of your POOL BLASTER Catfish Cordless Pool Vacuum. The Catfish is a rechargeable, battery-powered device designed for spot-cleaning in hot tubs, spas, and swimming pools. Its cordless and hoseless design offers convenience for quick and efficient cleaning tasks.
The unit features a removable 7.5-inch vacuum head for general cleaning and a nose cone head for accessing hard-to-reach areas. It includes an All-Purpose Filter Bag for larger debris like leaves, and Microfilter Bags for capturing fine particles such as sand and silt. The lithium-ion battery provides up to 45 minutes of runtime per charge.

The POOL BLASTER Catfish Cordless Pool Vacuum, shown fully assembled and ready for use.
2. Safety Information
- Read all instructions before operating the appliance.
- Do not operate the vacuum if any part is damaged. Contact customer support for replacement parts.
- Keep the charging unit and electrical connections dry. Do not charge near water.
- This appliance is not intended for use by persons with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure they do not play with the appliance.
- Use only the charger supplied by the manufacturer to recharge the battery.
- Ensure the vacuum is turned off before performing any maintenance or cleaning.
3. Package Contents
Verify that all items listed below are included in your package:
- POOL BLASTER Catfish Main Unit (Motor Box and Debris Container)
- 7.5-inch Vacuum Head with Soft-Bristle Brush
- Nose Cap
- Wall Charger
- One (1) All-Purpose Filter Bag
- Two (2) Disposable Micro-Filter Bags

All included components: the vacuum head, nose cap, filter bag, debris container, motor box, wall charger, and micro filter bags.
4. Assembly and Setup
4.1 Charging the Battery
- Locate the charging port on the main unit.
- Connect the wall charger to the charging port.
- Plug the wall charger into a standard electrical outlet.
- Allow approximately 4 hours for a full charge. The unit is designed to run for up to 45 minutes on a full charge.

The POOL BLASTER Catfish vacuum connected to its wall charger, illustrating the charging process.
4.2 Assembling the Vacuum
- Ensure the unit is fully charged before assembly.
- Insert the desired filter bag (All-Purpose or Micro-Filter) into the debris container.
- Attach the nose cap to the front of the debris container.
- Securely attach the 7.5-inch vacuum head to the nose cap for general cleaning. Alternatively, for hard-to-reach areas, the nose cone head can be used directly without the vacuum head.
- For extended reach, the unit can be attached to any standard telescopic pool pole (pole not included).

The vacuum head being attached to the main unit, demonstrating the assembly process.
5. Operation
5.1 Basic Operation
- Once assembled and charged, submerge the vacuum into the water.
- Press the power button located on the motor box to turn the unit on.
- Slowly guide the vacuum across the surfaces to be cleaned. The vacuum is lightweight and can be used by hand or attached to a telescopic pole.
- Move the vacuum steadily to allow it to effectively pick up debris.
- After cleaning, press the power button again to turn the unit off.
- Remove the vacuum from the water and proceed to the maintenance section for cleaning.

The Catfish vacuum effectively spot-cleaning debris from the bottom of a pool, suitable for in-ground pools, above-ground pools, hot tubs, and spas.

The vacuum head of the Catfish collecting various debris, including leaves, sand, and silt, from a pool surface.
6. Maintenance
6.1 Cleaning the Filter Bags
- After each use, or when suction decreases, remove the debris container from the main unit.
- Carefully remove the filter bag from the debris container.
- Empty any collected debris into a waste receptacle.
- Rinse the filter bag thoroughly under a faucet or with a garden hose until clean. For best results, turn the bag inside out to rinse.
- Allow the filter bag to air dry completely before storing or reusing.
6.2 General Care
- Store the vacuum in a cool, dry place when not in use.
- Periodically inspect the vacuum head and brushes for wear or damage. Replace as needed.
- Ensure the charging port is clean and dry before connecting the charger.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on. | Battery is not charged. | Charge the battery for 4 hours. |
| Vacuum does not turn on. | Power button malfunction. | Contact customer support. |
| Low suction. | Filter bag is full or clogged. | Clean or replace the filter bag. |
| Low suction. | Debris lodged in the vacuum head or nozzle. | Turn off the unit and clear any obstructions. |
| Short runtime. | Battery not fully charged or aging battery. | Ensure battery is fully charged. If issue persists, battery may need replacement. Contact customer support. |
8. Specifications
- Brand:
- POOL BLASTER
- Model Name:
- Catfish (Model 20050CL)
- Power Source:
- Battery Powered (1 Lithium Ion battery included)
- Battery Type:
- Lithium Ion
- Voltage:
- 3.7 Volts
- Lithium Battery Energy Content:
- 16.28 Watt Hours
- Battery Weight:
- 103 Grams
- Charging Time:
- 4 Hours
- Run Time:
- Up to 45 minutes
- Item Weight:
- 2.9 Pounds
- Product Dimensions (L x W x H):
- 7.5 x 7 x 16.75 inches
- Special Features:
- Cordless, Electric, Handheld, Hoseless, Rechargeable
- Control Method:
- Touch (Push-Button Operation)
- Assembly Required:
- Yes
- Manufacturer:
- Water Tech Corp
- UPC:
- 788584722470
9. Warranty and Support
The POOL BLASTER Catfish Cordless Pool Vacuum comes with a limited warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included with your product or visit the official Water Tech Corp website.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact Water Tech Corp customer service. Contact information can typically be found on the product packaging or the manufacturer's website.





