Oase Biological Filter Foam for the BioStyle (2 Pack) versa top 24x12 If you breed fish

If you breed fish

mosses and lichen all thrive under the TerraSky Planted Terrarium Light’s strong Photosynthetic Active Radiation (PAR)

elevated phosphate concentrations

and microorganisms from the water's surface while promoting proper gas exchange

Oase Biological Filter Foam for the BioStyle (2 Pack) versa top 24x12 If you breed fishThe Biological Filter Foam Set of 2 for the BioStyle 20, 30, & 50 and BioStyle Thermo 30 & 50 2 in 1 Filtration The BioStyle 30 ppi filter foam provides 2 in 1 filtration by catching debris and waste while promoting growth of beneficial bacteria Coarse Filter Foam Provides mechanical and biological filtration results in cleaner, healthier water for your aquarium inhabitants Contains two replacement foams that fit inside the chamber of the BioStyle