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the Seachem MultiTest pH and Alkalinity can be viewed as a professional test kit with the appropriate equipment being provided
ensuring you get the correct replacement quickly and efficiently
• Prevents stress
2" diameter
featuring straightforward and safe cleaning and maintenance
Black Knight 8" Dia x 16" Long Filter Brushes - 25 Pack seachem the Seachem MultiTest pH andWhat 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