- Amazon offers Exo Terra Moss Ball for $4.04 (with $15.29 off).
- FREE Shipping on orders over $49.
- Deal ends May 01.
Features:
- Helps provide clear aquarium water and reduce odor
- Easy and effective deodorizer; Traps phosphate, nitrite and nitrate
- Effective for up to two months
- Reduces organic matter accumulation
- Provides your fish with clear aquarium water
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