Ista Bio-Sponge Filter Freshwater Plants with a working time of

with a working time of only 5 minutes and will fully cure both submerged or emerged within 24 hours

watertight seal with a high tensile strength that won't crack

1 thin frame - 5 bars)

The natural colours encourage the natural coloration of your fish

dechlorinated tap water for 24-48 hours

Ista Bio-Sponge Filter Freshwater Plants with a working time ofThe Ista Bio Sponge Filter is a two pronged filtration system making use of both mechanical and biological filtration methods. The biological filtration is provided by the healthy bacteria that colonize on the foam section of the filter and the mechanical filtration comes from the consistent filtering of water through the minuscule holes of the sponge. The Ista Bio Sponge Filter dramatically improves the quality of water by adding high concentrations