SUN SUN HW-303B-304B CANNISTER + UV LAMP
Key Additional Features:
Self-priming pump — The filter is advertised as having a self-priming mechanism, to reduce the need for manual siphoning.
Adjustable spray bar — Allowing better water return distribution / flow control.
Media flexibility — The trays allow you to use mechanical, biological, chemical media (e.g. sponges, activated carbon, bio rings) as per your setup.
UV on/off / safety switch — In some models the UV lamp is wired so that if the canister is disassembled, the UV cuts out.
👍 Pros & Advantages
Good flow & capacity for its priceThe HW‑304B in particular offers a high flow rate (2,000 L/h) which is attractive for larger or heavily stocked tanks.Integrated UV sterilizerHaving a 9 W UV lamp built in helps in controlling algae, parasites, and bacterial blooms, which can improve water clarity.
** decent head / lift in higher model**The HW‑304B’s ~2.5 m lift gives more flexibility where the canister is placed below the aquarium.
Multiple media traysMore trays / stages allow you to optimize mechanical, chemical, and biological filtration separately.
Self‑priming & adjustable returnThese ease setup and reduce fuss during installation or restart.
👎 Cons, Limitations & Common Problems
From user reports and community feedback:
Leaks / O‑ring / seal issuesSome users report leaks or the need to re‑lubricate O‑rings and connectors, especially after opening and cleaning.
Lid / clamp stressThe clamps / buckles that secure the lid can wear or break, especially if you grip them hard to open. Some users say the lid can “stick” strongly due to vacuum / suction.
UV plastic degradation / warpingProlonged exposure to the UV lamp has been mentioned by users as causing plastic parts (trays) to yellow or warp after extended usage. One user suggests not running UV continuously.
Overheating / auto turn offSome users claim their HW‑304B would shut off after running a while (possibly thermal protection or fault).
Air lock / priming issuesAs with many canister filters, air bubbles can block flow until properly bled or primed. Some report weak flow until all air is removed.
Noise / vibrationIn some setups, users report noise from water turbulence, suction, or vibration—especially if hoses are not well supported or the impeller is slightly off.
🔍 Real‑world Feedback & Tips
Here are some community observations + tips:
“I’ve had the SunSun 304B for about 3 months … I had read that they leak, so I took time to lube the O‑ring … Haven’t had a drop of water lost.”
“The flow is quite strong … aiming the spraybar helped a ton.”
“When the spray bar is cheap / clogged, the flow seems weak … cleaning it improved the flow.
“Lid gets stuck due to suction / vacuum. Disconnect hoses first; O‑ring resistance is expected.”
“UV warps trays over time; I run UV intermittently, not 24/7.”
“The temperature / heat on top becomes warm. UV has been replaced twice in lifetime of filter.”
🧮 Suitability & How It Compares
The HW‑303B is suitable for medium tanks (below perhaps ~250–300 L in real use) given its 1,400 L/h rating, though actual effective flow will be lower once tubing, media, bends, and lift are considered.
The HW‑304B offers higher capacity, making it better for larger setups or tanks with heavier bioload.
The inclusion of UV is a differentiator vs many basic canister filters.
In comparison to the Dophin filters you asked about earlier (CF12008, CF12308, CF12508), the SunSun units may offer better flow and head in their higher models, but potentially more complexity (UV, more mechanical wear points) and more to maintain.
✅ Summary: Is It a Good Option?
The SunSun HW‑303B / HW‑304B filters with built‑in UV are solid mid‑range canister filters offering good performance and built-in sterilization. If you're comfortable with maintenance (especially ensuring seals are good, managing air, cleaning UV parts) they can be a cost-effective option.
SUNSUN Wave Maker YVS-25 (12,000 L/H) with Controller
The SUNSUN YVS-25 Wave Maker is a powerful circulation pump designed to create natural water movement in both freshwater and marine aquariums. Equipped with an intelligent controller, it allows you to adjust flow patterns and intensity to suit your aquarium's specific needs. Strong water circulation helps improve oxygen levels, eliminate dead spots, and create a healthier environment for fish and corals.
Key Specifications
Flow Rate: 12,000 L/H
Power Consumption: 24W
Includes Intelligent Controller
Adjustable Flow Speed
Magnetic Mounting System
360° Adjustable Pump Direction
Suitable for Freshwater & Marine Aquariums
Energy-Efficient Motor
Voltage: 220–240V / 50Hz
Key Features
Intelligent controller for customizable flow patterns
Powerful 12,000 L/H water circulation
Adjustable flow intensity
Strong magnetic mounting system
Wide-angle water movement
Quiet and energy-efficient operation
360° adjustable positioning
Durable corrosion-resistant components
Benefits
Improves water circulation and oxygenation
Helps eliminate stagnant areas in the aquarium
Promotes healthier fish and coral growth
Enhances filtration efficiency
Assists in suspending debris for easier removal
Creates a more natural aquatic environment
How to Use
Secure the wavemaker inside the aquarium using the magnetic mount.
Connect the pump to the controller and power supply.
Select the desired flow mode and speed setting.
Adjust the pump angle to achieve optimal water circulation.
Clean the impeller and housing regularly to maintain peak performance.
Why You'll Love It
The SUNSUN YVS-25 combines powerful water movement with advanced flow control, making it an excellent choice for medium to large aquariums. Its adjustable settings allow you to create the ideal water conditions for a thriving aquatic ecosystem while maintaining energy-efficient operation.
In-Out Tap Assembly HW-304B
Product Description
The In-Out Tap Assembly for the Sun Sun HW-304B canister filter allows you to control water flow easily and disconnect the hoses without leaking. This replacement tap set fits directly onto the HW-304B intake and outlet pipes and restores smooth operation if your original taps become stiff, cracked, or start leaking. Designed for a secure fit and reliable performance.
Key Features
Replacement tap assembly for Sun Sun HW-304B canister filter
Controls water flow on both inlet and outlet lines
Makes filter maintenance easier and cleaner
Helps prevent leaks caused by worn or damaged tap units
Simple to install and remove
Usage Instructions
Turn off your filter and close both taps.
Disconnect the old tap assembly from the canister and hoses.
Attach the new tap assembly firmly to the hoses and filter head.
Open both taps slowly to restore water flow.
Check for any leaks around fittings.
Specifications
Compatibility: Sun Sun HW-304B
Components: complete in-out tap assembly (inlet and outlet)
Material: durable plastic with rubber seals
Why Replace This Part
A worn tap assembly can cause dripping, reduced flow, or difficulty during maintenance. Replacing it restores full control of your filter’s water flow and reduces the risk of leaks.
Sun Sun HW-304B Filter Wool
Product Description
The Sun Sun HW-304B Filter Wool is designed to provide effective mechanical filtration for the HW-304B canister filter. It traps fine particles, fish waste, and leftover food before they reach your biological media, helping maintain clear and healthy aquarium water. This filter wool fits perfectly in the HW-304B trays and is easy to install and replace.
Key Features
Compatible with the Sun Sun HW-304B canister filter
Traps debris and fine particles for cleaner water
Helps protect biological media by removing waste early in the filtration process
Reusable after rinsing
Simple to install and maintain
Usage Instructions
Rinse the filter wool thoroughly in tap water before first use.
Place the wool in the designated tray of the HW-304B filter.
Clean or replace every 2–4 weeks depending on tank load and water clarity.
Do not use soap or detergents when cleaning.
Specifications
Material: Synthetic filter fiber
Colour: White
Fits: Sun Sun HW-304B canister filter
Care: Rinse under running water only
Why Use This Filter Wool
This filter wool improves water clarity by capturing debris before it circulates through the system. It increases overall filtration efficiency and helps maintain a stable, healthy environment for fish and plants.
Sun Sun HW-303-B Filter Wool
Product Description
Keep your aquarium water clean and clear with the Sun Sun HW-303-B Filter Wool. Designed for the HW-303-B canister filter, this high-quality wool provides efficient mechanical filtration, trapping debris, fish waste, and leftover food. It helps maintain a healthy environment for your fish and plants.
Key Features
Compatible with Sun Sun HW-303-B canister filter
Traps debris and fine particles for clearer water
Supports biological filtration by providing surface area for beneficial bacteria
Reusable after rinsing
Easy to install and replace
Usage Instructions
Rinse the filter wool thoroughly in tap water before first use.
Place the wool into the designated tray of the filter.
Clean or replace every 2–4 weeks depending on tank size and water conditions.
After cleaning, rinse again and reinsert into the filter.
Specifications
Material: High-quality synthetic fiber
Color: White
Fits: Sun Sun HW-303-B canister filter
Care: Rinse only — do not use soap or detergents
Why Use This Filter Wool
The Sun Sun HW-303-B Filter Wool efficiently removes debris before it reaches the biological media, improving water circulation and filter efficiency. It helps maintain clear, healthy water for a thriving aquarium.
Sun Sun Imported Aquarium (HNE series)
Key Details & Features
The “HNE” in the model name indicates part of the nano/desktop series (e.g., HNE‑300, HNE‑380) for smaller aquarium setups.
One listing shows the HNE‑300 model: size approx 30 × 20 × 33 cm, capacity about 19 L (white version).
There appears to be an instruction manual referencing the “HNE/HR‐Serie Nano Aquarium”.
Typical features include ultra‐white glass, integrated lighting (in some models), small filtration system. For example: the seller listing above mentions “built‐in filter JP‑230G 2.5W” and “3 W LED lighting module” for the HNE‑300.
👍 What’s Good About It
Compact size: good for smaller spaces like desks, bedrooms, or apartments — the nano size is convenient.
All‑in‑one style: It seems to include the tank + light + filter in some versions, simplifying setup.
Ultra‑white glass: for clearer visuals and a more premium look.
Recognised brand: SunSun is known in the aquarium hobby, so parts/spares and support may be easier than unknown brands.
👎 Things to Be Aware Of / Limitations
Size is small: At ~19L for HNE‑300, you’re limited in how many fish or what size you can keep. Larger fish need much more space.
Integrated systems may limit upgrades: If it comes with built‑in filter or light, you might have less flexibility to swap components vs. a modular tank.
Nano tanks require more frequent maintenance: Because of smaller water volume, parameters (temperature, ammonia, nitrites) can fluctuate more quickly.
Check exact specs: The manual shows “HNE/HR Serie Nano Aquarium” but not full specs for HNE models in a single source.
📝 Setup & Usage Tips
Ensure the tank is placed on a level and very stable surface — small tanks wobble less but still need care.
If the model has built‑in filter or pump: ensure water level is correct so the pump works properly (many integrated systems require a minimum fill height).
Cycle the tank before adding fish: even nano tanks need beneficial bacteria to build up.
Monitor parameters (ammonia, nitrite, nitrate) more frequently than large tanks because changes happen faster in small volumes.
For lighting and plant use: If you plan plants, ensure the built‑in lighting is enough; many nano tanks come with basic lighting—plants may need upgrade.
Upgrade cautiously: If you later want to add more fish or larger fish, you’ll likely need to move to a bigger tank rather than try to squeeze them into a nano.
SUNSUN Replacement Foam Inserts (HJ Series)
Keep your SUNSUN internal filter performing at its best with genuine replacement foam inserts. Designed specifically for the HJ Series Internal Filters, these filter sponges provide effective mechanical and biological filtration by trapping debris while supporting the growth of beneficial bacteria for cleaner, healthier aquarium water.
Key Specifications
HJ-11B Replacement Foam Insert
Compatible with SUNSUN HJ-11B Internal Filter
Traps fine and coarse debris
Washable and reusable
Supports biological filtration
HJ-611B Replacement Foam Insert
Compatible with SUNSUN HJ-611B Internal Filter
Genuine replacement sponge
Washable and reusable
Supports beneficial bacteria growth
HJ-752 Replacement Foam Insert
Compatible with SUNSUN HJ-752 Internal Filter
Durable filter foam construction
Mechanical and biological filtration
Easy to install
HJ-952 Replacement Foam Insert
Compatible with SUNSUN HJ-952 Internal Filter
High-density filter sponge
Washable and reusable
Improves water clarity
HJ-1152 Replacement Foam Insert
Compatible with SUNSUN HJ-1152 Internal Filter
Designed for optimal water flow
Long-lasting filter media
Supports healthy aquarium conditions
Key Features
Custom-fit for SUNSUN HJ Series filters
Removes suspended waste and debris
Encourages beneficial bacterial colonization
Washable and reusable design
Quick and easy replacement
Suitable for freshwater and marine aquariums
Benefits
Maintains efficient filtration performance
Helps keep aquarium water crystal clear
Supports a stable biological filter system
Extends the lifespan of your filter
Simple and cost-effective maintenance solution
How to Use
Switch off and remove the filter from the aquarium.
Open the filter housing and remove the old sponge.
Insert the new foam insert into the filter compartment.
Reassemble the filter and place it back into the aquarium.
Rinse the sponge in aquarium water during maintenance to preserve beneficial bacteria.
Why You'll Love It
These genuine SUNSUN replacement foam inserts are designed to fit perfectly inside their corresponding HJ Series filters, making maintenance quick and hassle-free while ensuring reliable filtration and healthier aquarium water.
SUNSUN Internal Filter HJ-11B(200L/H) - HJ-1152(1200L/H)
Keep your aquarium water clean, clear, and healthy with the SUNSUN HJ Series Internal Filters. Designed for freshwater and marine aquariums, these compact filters provide efficient mechanical filtration while improving water circulation and oxygenation. Their submersible design makes them easy to install and maintain, making them ideal for both beginner and experienced fish keepers.
Key Specifications
HJ-11B
Flow Rate: 200 L/H
Compact Internal Filter
Fully Submersible
Suitable for Small Aquariums
Low Power Consumption
HJ-611B
Flow Rate: 450 L/H
Internal Filtration System
Fully Submersible
Suitable for Small to Medium Aquariums
Quiet Operation
HJ-752
Flow Rate: 600 L/H
Internal Filtration System
Fully Submersible
Suitable for Medium Aquariums
Easy Maintenance
HJ-952
Flow Rate: 800 L/H
Internal Filtration System
Fully Submersible
Suitable for Medium Aquariums
Energy-Efficient Design
HJ-1152
Flow Rate: 1,200 L/H
Internal Filtration System
Fully Submersible
Suitable for Medium to Large Aquariums
High Water Circulation Capacity
Key Features
Efficient mechanical filtration
Improves water circulation and oxygenation
Compact space-saving design
Quiet and reliable operation
Easy installation with suction cups
Fully submersible construction
Easy-to-clean filter sponge
Suitable for freshwater and marine aquariums
Benefits
Removes debris and suspended particles
Helps maintain crystal-clear water
Supports a healthier environment for fish
Enhances oxygen levels within the aquarium
Reduces maintenance requirements
Suitable for a wide range of tank sizes
How to Use
Attach the filter to the inside of the aquarium using the suction cups.
Ensure the filter is fully submerged before switching it on.
Connect the power supply.
Position the outlet to create the desired water flow.
Clean the filter sponge regularly to maintain optimal performance.
Why You'll Love It
The SUNSUN HJ Series Internal Filters offer dependable filtration, excellent water circulation, and simple maintenance in a compact design. Available in multiple flow rates, there's a model to suit everything from small starter tanks to larger aquarium setups.
SUNSUN Wave Maker YVP-01B – YVP-04B
Improve water circulation and create a healthier aquatic environment with the SUNSUN YVP Series Wave Makers. Designed for both freshwater and marine aquariums, these compact yet powerful pumps help increase oxygen levels, eliminate dead spots, and maintain consistent water movement. Their adjustable flow design and strong magnetic mounting system make them ideal for a variety of aquarium setups.
Key Specifications
YVP-01B
Flow Rate: 1,800 L/H
Power Consumption: 4W
Magnetic Mount
Adjustable Flow Control
Suitable for Freshwater & Marine Aquariums
YVP-02B
Flow Rate: 3,000 L/H
Power Consumption: 6W
Magnetic Mount
Adjustable Flow Control
Suitable for Freshwater & Marine Aquariums
YVP-03B
Flow Rate: 4,000 L/H
Power Consumption: 10W
Magnetic Mount
Adjustable Flow Control
Suitable for Freshwater & Marine Aquariums
YVP-04B
Flow Rate: 8,000 L/H
Power Consumption: 13W
Magnetic Mount
Adjustable Flow Control
Suitable for Freshwater & Marine Aquariums
Key Features
Powerful and efficient water circulation
Adjustable flow output
Strong magnetic mounting system
Wide-angle water movement
Quiet operation
Energy-efficient design
Fully submersible construction
Adjustable pump direction
Benefits
Improves oxygen exchange in the aquarium
Prevents stagnant areas and debris buildup
Promotes healthier fish and coral growth
Enhances filtration efficiency
Creates natural water movement
Helps maintain cleaner water conditions
How to Use
Secure the wavemaker inside the aquarium using the magnetic mount.
Position the pump to achieve the desired water flow direction.
Connect the power supply.
Adjust the flow rate according to your aquarium's requirements.
Clean the pump regularly to maintain optimal performance.
Why You'll Love It
The SUNSUN YVP Series delivers reliable, energy-efficient water movement for aquariums of all sizes. With adjustable flow control, easy installation, and powerful circulation, it's an excellent choice for maintaining a clean, healthy, and thriving aquatic environment.
SunSun LE Series Aquariums – Black
Clean, compact, and easy to set up, the LE Series aquariums are a great choice for beginners and hobbyists looking for a neat, modern tank. With a sleek black finish, these tanks fit well into any home or office space while providing a comfortable environment for small fish and aquatic plants.
Available sizes:LE-300 – 13L / BlackLE-380 – 26L / BlackLE-480 – 43L / Black
Designed for simplicity and everyday use, the LE Series is ideal for small freshwater setups, shrimp tanks, or starter aquariums. Durable construction and a space-saving design make these tanks both practical and visually appealing.
SunSun CXP Series Air Pumps
Reliable, high-output air pumps built for serious aquarium setups. The SunSun CXP range is designed to deliver powerful, consistent airflow—ideal for large tanks, fish rooms, breeding systems, and aquaponics where stable oxygen levels are critical.
Available models:CXP-120 – 110 L/min airflow | 40W powerCXP-200 – 200 L/min airflow | 100W power
Key features:Strong, steady airflow for multiple tanks or large systemsDurable construction for long-term useEnergy-efficient performance for its output classSuitable for freshwater, marine, and aquaponics setupsEasy to connect to multiple airlines, sponge filters, or air stones
Whether you're running a growing fish room or need dependable aeration for a large display tank, the CXP series gives you the power and reliability to keep oxygen levels stable and your livestock thriving.
SUN SUN Manure Filter JFP-01 – 350 L/H
The SUN SUN Manure Filter JFP-01 (350 L/H) is a compact and efficient aquarium filtration accessory designed to help trap solid waste and debris before it enters your main filter system. With a flow rate of 350 L/H, it’s ideal for small to medium aquariums or sump setups where additional mechanical filtration is needed.
Key Features
Flow Rate: 350 L per hour for consistent water movement
Mechanical Filtration: Captures solid waste and debris to improve water clarity
Pre-Filter Protection: Reduces clogging and extends the life of main filters
Compact Design: Easy to install and fits neatly in sumps or aquarium setups
Durable Construction: Long-lasting and reliable performance
Aquarium-Safe Materials: Safe for use in both freshwater and marine systems
Ideal For
Pre-filtration before canister, hang-on or sump filters
Freshwater and marine aquariums
Reducing detritus and improving overall water quality
Small to medium aquarium systems
Maintenance Tips
Rinse the manure filter regularly with aquarium water to prevent buildup and maintain optimal flow and performance.