Aquarium Pharmaceuticals RENA SmartFilter 55 (Hang-on-Back Filter)


This item has been discontinued.

Aquarium Pharmaceuticals, API, MARS Fishcare


  • Up to 55gals
  • Three sizes available 10-20, 20-30 and 30-55 Gallons
  • Mechanical, chemical and biological filtration from 4-sided cartridges (4X the cleaning power) with Bio-Chem Zorb™
  • Universal replacement cartridges – one size fits all. The Power of “1, 2, 3”
  • Revolutionary caddy with ease of access and drip-reduction cup
  • Unique motor rack that can be removed from the filter without removing the main lid of the filter
  • Dosing port for water treatments and medications
  • 4, 8 & 12 Bio Chem Stars (included) added for superior biological filtration and slotted in unique towers
  • A filter for the vast majority of HOB filter usage
  • Brings the superior filtration of a canister filter to the back of the aquarium
  • Eliminates mess during monthly maintenance
  • Simple cleaning of an important part of the filter.
  • Allows for accurate and thorough dispersal of aquarium treatments & medications
  • Increases biological filtration

Manufacturer Info

Aquarium Pharmaceuticals Aquarium Supplies
Aquarium Pharmaceuticals (API) has been helping people take good care of ornamental fish for over 40 years. Their research and development scientists have advanced the care of fish with all-natural medications, stable bacteria for biological filtration, one-bottle test kits, consumer-friendly dosing caps and much more. They’ve received over 25 global patents for their breakthrough innovations in the aquatics industry. And they continue to look for ways to improve the fishkeeping experience for hobbyists. Research. Experience. Dedication to scientific, quality treatment for healthy fish. It’s what makes API the first choice of aquarium owners. API manufactures and sells hundreds of products across many different product categories, including aquarium and pond treatments, aquarium equipment, aquariums and fish nutrition.

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