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This item is a 9w UV (Ultra Clarifier) Bulb with a PLS fitting
The TetraTest General Hardness Test Kit is a simple and accurate way to measure the mineral content of your aquarium or pond water
Easy in-situ maintenance without removing the whole filter
It uses an innovative design that includes internally fitted high reflection aluminium
Black Knight 4" Dia x 9" Long Filter Brushes - 12 Pack aquacolour-white This item is a 9wWhat 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