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The TetraTest General Hardness Test Kit is a simple and accurate way to measure the mineral content of your aquarium or pond water
This product focuses on replenishing key nutrients required by fish
It uses an innovative design that includes internally fitted high reflection aluminium
This item is a 9w UV (Ultra Clarifier) Bulb with a PLS fitting
Easy in-situ maintenance without removing the whole filter
Black Knight 4" Dia x 9" Long Filter Brushes - 12 Pack aquacolour-white The TetraTest General Hardness TestWhat 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
US$ 49.99
US$ 55.00
US$ 24.99