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the Ammonia Alert provides real-time notifications through a straightforward colour-coded system
closely mimicking natural feeding frequencies common in the wild
Treatment Capacity: Up to 5
yet it's crucial to avoid using MediFin alongside non-compatible treatments outside the Tetra Pond range
Black Knight 4" Dia x 12" Long Filter Brushes - 25 Pack Popular the Ammonia Alert provides real-timeWhat are Black Knight Filter Brushes: Black Knight filter brushes are made from the very highest quality Hydrotek polypropylene twisted into two stainless steel wires to form a cylindrical brush with a loop at one end for hanging. The other end is capped with a plastic knob for safety. They last indefinitely and are the easiest to use, most efficient and most cost effective pond filter medium you can buy. Our brushes are used in filtration systems in