Alder Cones
-Will release tannins into the water that produces a mild antibacterial and fungicidal effect.
-These tannins also facilitate molting of shrimps.
-The Bio-film that accumulates on the cone is a great food source for shrimp.
-Aids in lowering pH.
-Provides a hiding place for baby shrimp.
Rinse before use
Andre P. (verified owner) –
A lot of tannin release, which is why I got it.
Luke Roman (verified owner) –