
1. Read and follow all instructions.
2. A drip loop must be used with all electrical aquarium devices.
A drip loop Is a self-made part of the cord hanging
below the receptacle. (See Fig. 1)
3. A GFCI (ground fault circuit interrupter)
should be used In the branch circuit supplying all power to water pumps and electrical
aquarium equipment. If you do not have a GFCI, we strongly recommend having a
qualied electrician install one prior to operating any aquarium component.
4. Do not plug into extension cord/power strip.
5. Use this product for its intended use only.
6. Never yank or pull the cord from the electrical outlet.
7. Do not operate if the plug or wire is damaged.
8. Verify that hands are dry prior to disconnecting the power.
9. To reduce the risks of electrocution, keep all connections dry.
10. For indoor use only.
11. If any of the electrical components get wet, unplug immediately.
12. Do not use soaps or detergents when cleaning this device.
Thoroughly clean and rinse with warm water and make sure the device is completely
dry before connecting.
13. Keep this product away from children.
The AquaTop HOC Hang-on Canister Filter w/ 7W UV is compact, quiet and energy efcient.
The HOC UV has a maximum ow rate of 280 GPH and includes an integrated 7W UV Bulb
which aids in controlling free-oating algae forming micro-organisms. This unit efciently
lters fresh and saltwater aquariums up to 75 gallons and comes with a multi-stage
ltration system equipped with an easy-to-change, drop-in media tray. All the necessary
ltration media is included to help keep a healthy aquarium. Fine Filter Pads and a Dense
Filter Sponge collect organics into a central location for easy removal, providing excellent
Mechanical Filtration, while Activated Carbon provides Chemical Filtration to keep aquarium
water crystal clear and free from odor. The included Ceramic Rings help maximize
Biological Filtration and offer a porous structure for benecial bacteria to grow and help
maintain safe living conditions for your aquatic creatures to thrive. Plus, the included surface
skimmer removes unwanted oil and surface scum from the surface of your aquarium water
providing a healthy habitat for your aquatic creatures.
Caution:
1. Make sure to power off and unplug the unit before performing any maintenance.
2. Aquatop recommends replacing the UV Bulb every 6-9 months
3. Check for moisture on the inside of the UV quartz tube when performing routine
maintenance. If moisture is found, replace the quartz tube as needed.
4. Low level noise or vibration is normal when starting the unit.
5. Do not look directly into the UV lamp when plugged in; UV light may damage your eyesight.
Always keep cover on when UV light is in use.
• Open the lter cover and remove the media trays.
• Unhinge the media tray holder and open the media
trays.
• Remove the old carbon cartridge and dispose.
Rinse new carbon cartridge and replace. For best
performance, replace the carbon cartridge every 30
days.
NOTE: The Biological media does not need to
be replaced; however, it may need to be
rinsed periodically. We recommend rinsing
the media in used aquarium water when
performing a water change.
• For maximum effectiveness, keep your aquarium
waterline at the same level as the Surface Skimmer
collection cup.
• Remove the Filter Lid and ll the lter compartment
with water until it is half full. Plug in the lter and
allow it to prime. Once the lter has primed, re-install
the Filter Lid.
1 2
Model UV VOLTAGE/FREQ POWER FLOW RATE FOR TANK SIZES
HC300-UV 7W 110V/60Hz 8W 300GPH UP TO 75 Gallons
It is your sole responsibility to verify that the plug and the receptacle are clean and free of
moisture and salt build up at all times. The receptacle must be free of water, salt, calcium,
magnesium and dust. Failure to do so can cause re, damage to property, and permanent
damage to the product and personal Injury not limited to loss of life.
( Fig 1.)
• Simply hang the HOC UV on your Aquarium Frame using the appropriate stepped
tting. Use the included leveler to adjust the lter. (See Fig 2.)
( Fig 2.)
Filter Lid
Media Trays x2
Filter Sponge
Surface Skimmer
7W UV Blub
Adjustable Inlet
INTRODUCTION SET-UP & INSTALLATION
INSTALLATION AND USE:
ROUTINE MAINTENANCE:
WARNING & SAFETY INFORMATION
SPECIFICATIONS
HANG-ON CANISTER FILTER w/ 7W UV