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Review on ๐Ÿ”ฎ Reefing Art Filter Media: Bio Filter Rings Ceramic Media - 140ct / 2 lbs / 4 lbs / 8 lbs by Gerald Mcrae

Revainrating 3 out of 5

NOT for general freshwater use

They are NOT 100% silica and contain aragonite. I wouldn't use them in a frwshwatwr tank unless you plan on maintaining a pH of 8 or higher.

Pros
  • Fish and aquatic animals
Cons
  • Slightly wrinkled