Nano Tech Bio-Blocks – stabilized microbial sewage treatment technology with Biological Aerated Filter (W-BAF). With super high surface filtration area and cross cutting ratio. Nano Tech Bio-Blocks are completely inert and made of ceramic beads.

Brand: Prodac Alga Control  Size: 100 ml Is a water treatment for freshwater aquariums which controls, prevents and eliminates the growth of algae and infusoria that is harmful to fish, and above all to aquatic plants. Green algae, not only grows on the bottom of the aquarium and on the decorations, but it can also