SEACHEM ALGAE SCRAPER Replacement Cartridge



Seachem Algae Scraper Replacement Kit (SC-3211)

This original replacement kit consists of plastic housing, blade and pad for Seachem 3-in-1 algae scraper for glass and acrylic aquarium. The seachem scraper lets you effortlessly remove algae.

When not in use, you can simply retract and hide the blades for safety.


  • High quality blades
  • Fits the scraper perfectly

Three Types of Blades

There are 3 types of blades. Please make sure you use the right type of blade to prevent damage to the surface.

  • Metal - Easily removes tough algae in glass aquariums. Not for use on acrylic.
  • Plastic - Safe for use on glass and acrylic. Use care at gravel line to avoid scratching acrylic
  • Soft Pad - Your first choice for acrylic aquariums. Easily removes algae from scratches.


Q: Is the metal blade safe to use on an acrylic aquarium?

A: No, the metal blade should only be used in glass aquariums. It will scratch acrylic.

Q: Is the plastic blade safe to use on an acrylic aquarium?

A: Generally, yes, although care should be taken. It is still possible to scratch acrylic with the plastic blade. The safest choice for acrylic is the soft pad.

Q: Are replacement blades available?

A: Yes, you can replace the cartridge which holds the blades as well as the blades and pads individually. The plastic blade is part of the cartridge.

Q: Can the scraper be used in saltwater?

A: Yes, the scraper is safe to use in both freshwater and saltwater.