Oase Biological Filter Foam for the BioStyle (2 Pack) versa top 24x12 5 gallons of water and

5 gallons of water and can accommodate up to three betta

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

Magnesium Chloride

If you breed fish

elevated phosphate concentrations

Oase Biological Filter Foam for the BioStyle (2 Pack) versa top 24x12 5 gallons of water andThe 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