Algae Free

Piranha Float Plus

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Why does BRS recommend this?

With properly sized magnets and now includes the scraper attachment, Algae Free has made one of the best algae scrapers in the industry. Most of their value is the fact all of them (except the Great White) do float if the connection through the aquarium is lost for easy retrieval, which is the frustrating point for most other magnet cleaners in the industry.


Works with glass & acrylic aquariums

Perfect for Nano and Pico tanks that have thin glass or acrylic. The wet side floats for easy retrieval when separated from the dry side. 

  • Glass aquariums holding up to 30 to 125 gallons; with walls 1/4" or 3/8" thick
  • Acrylic aquariums 36" long and 20" high; with walls 1/4" and 3/16" thick
  • Large 4" x 2" cleaning area

Algae Free PLUS Aquarium Cleaning Magnets

The new "Plus Series" has a detachable and replaceable scraper blade for glass (stainless steel) or acrylic (plastic) aquariums and will make algae cleaning quick and easy.


Simply the "Highest Quality" algae cleaning magnet available for the price!

At Algae Free, LLC they make the highest quality aquarium cleaning magnets for use on glass and acrylic aquariums from 10 to 1,000 gallons or with a thickness of 1/8" to 1".


Our cleaning magnets are made with Neodymium Rare Earth Magnets, one of the strongest magnets in the world! Algae Free LLC don't use surplus magnets -- only new. All of our cleaners are made of the finest, safest and most cost-effective materials available. The outer magnet assembly is handcrafted in the USA.
Each Algae Free cleaners have the following qualities:

  • Strong, high-quality neodymium rare earth magnets
  • Replaceable scraper blades for glass and Acrylic aquariums
  • Replaceable inner scrubbing pad with nontoxic adhesive backing
  • Replaceable felt pads for the outer cleaning assembly
  • Floating interior magnet assembly (except Great White models)
  • Inner assembly is non-toxic and can be left inside tank all the time -- it will not rust!
  • Can be used on all glass aquariums
  • Acrylic-safe inner scrubbing pads make it ultra safe to use on acrylic aquariums
  • Can be used in fresh and salt water
  • Decorative finish that becomes part of your aquarium
  • Limited 2-year warranty on material and production defects
More Information
UPC 094922656698
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Product Questions

Which Algae Free scrubber would you recommend for 12mm glass?
Question by: Bret on Dec 12, 2023, 11:54 PM
Hey there,
Thank you for reaching out to us. Piranha Float Plus is rated up to 3/8 inch glass. Please let me know if you need anything further.
Answer by: Thomas Wofle (BRS Staff) on Feb 1, 2024, 10:53 AM
Will this work on a typical all glass 120g aquarium? My front pane of glass is 1/2" while the sides are 3/8". Thanks!
Question by: Brad on Nov 2, 2017, 11:34 PM
Hi Brad, thanks for reaching out.
The Piranha is rated up to 3/8" glass so it may have a hard time removing stubborn algae from the front glass. I would recommend going with the Hammerhead.
Hope this helps!
Answer by: Nick on Nov 25, 2017, 11:17 AM