Tideline Ultra-Clear Book Shelf Aquarium w/ Leveling Mat - 6.5 Gallons Decorations The material is designed to

The material is designed to stop floating as soon as it reaches a certain level of bacteria colonization This is replacement media for the main filter unit of the BioMaster  Replace your Biomedia only when completing a complete tank restart as to not disturb the beneficial biological load  Hel-X 13 Biomedia is replacement media for the BioMaster 250

resume use after completion of treatment

The KH remains unaltered

stem plant heavy

Tideline Ultra-Clear Book Shelf Aquarium w/ Leveling Mat - 6.5 Gallons Decorations The material is designed toAll Aquariums are pick up only. Must select pick up at check=out. Can not combine with shipping orders. All items bought with aquariums will need to be pick up. Introducing the new Tideline series of sleek and modern rimless aquariums! Tideline aquariums are crafted by skilled fabricators and made with ultra clear glass. Going a step above low iron, we use automotive grade PPG 5 glass that ensures the best clarity and highest quality. Cleanly finished