Description
DoPhin H100 Power Filter
The DoPhin H100 Power Filter is a reliable and efficient hang-on-back (HOB) filter designed for nano and small aquariums (up to 50L /13Gal). It offers effective mechanical, biological, and optional chemical filtration in a compact body, making it ideal for beginners and planted/community tanks.
🌊 Key Features
✅ 3-stage filtration – Comes with filter cartridge containing sponge and activated carbon. Can be upgraded with ceramic rings, bio-balls, or fine filter wool.
✅ Adjustable flow control – Gentle enough for Betta, shrimp, or fry tanks; stronger setting for small fish communities.
✅ Slim & compact design – Hangs neatly at the back without taking space inside the aquarium.
✅ Quiet operation – Low vibration motor ensures near-silent running.
✅ Surface skimmer attachment – Helps remove floating debris and surface film (on some models).
✅ Easy maintenance – Cartridge-based design, simple sponge rinsing and media replacement.
🐠 Suitable For
Tank Size: 50L /13Gal
Fish Types: Bettas, Guppies, Tetras, Platies, Mollies, Shrimp, Snails, and small community fish.
⚠️ Not suitable for messy or large fish such as Goldfish, Oscars, or Arowana (unless used as a secondary filter).
⚙️ Specifications
Model: H100
Type: Hang-on-back (HOB) power filter
Flow Rate: 350 L/H
Tank Capacity: 50L /13Gal
Power Consumption: 4.3/4W
Filter Media Included: Sponge + Activated Carbon Cartridge
Upgradable Media: Ceramic rings, bio-balls, filter wool, or extra sponge
🧱 Filter Media Setup (Recommended Order)
Sponge (mechanical + basic bio)
Activated carbon (for odor control & clear water)
Ceramic rings / bio-balls (optional – for stronger bio filtration)
Fine filter wool (optional – polish water for crystal clarity)
👉 For shrimp tanks, attach a sponge pre-filter on the intake to protect baby shrimp.
🔧 How to Install
Hang the filter at the back of the aquarium.
Insert the intake tube inside the tank.
Fill the filter box with a little tank water to help with priming.
Plug in and switch ON – water will start circulating.
Adjust flow knob according to fish needs.
🧼 Maintenance
Rinse sponge every 2–3 weeks in tank water.
Replace cartridge/activated carbon every 3–4 weeks (if used).
Clean intake tube and impeller regularly to maintain smooth water flow.
Do not wash all bio-media at once to preserve beneficial bacteria.
📦 What’s in the Box
DoPhin H100 Power Filter body
Sponge + Activated Carbon Cartridge (pre-installed)
Intake tube with strainer
Flow control knob (built-in)
✅ Why Choose DoPhin H100?
The DoPhin H100 Power Filter is one of the best budget-friendly and efficient HOB filters for small aquariums. It ensures crystal-clear water, easy operation, and low energy use. Perfect for beginners, planted tanks, and nano community setups.
👉 Best for aquariums up to 50L /13Gal with small tropical fish, shrimp, and plants.



