Simplify reptile aqua-terrarium maintenance with this natural-looking décor. Exo Terra Moss Ball is the easy and effective solution to maintaining clear, odor-free water in your aquatic herptile habitat. Special absorption resin traps phosphate, nitrite and nitrate that pollute and contribute to the buildup of unsightly organic matter. Clever moss-like décor helps simplify terrarium maintenance for crystal clear and odor-free water. Exo Terra Moss Ball effectively treats 10 to 20 gallon aqua-terrariums for up to 2 months. Ball measures 2" in diameter.
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