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TetraTest pH Test Kit (50 Tests)
Easy installation above or below ground level
and zooplankton
The floating nature of these sticks allows pond owners to efficiently manage feeding by observing consumption rates
Rinsing the foam on a monthly basis
Black Knight 8" Dia x 16" Long Filter Brushes - 12 Pack fluval TetraTest pH Test Kit (50What 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