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Black Knight 4" Dia x 16" Long Filter Brushes - 12 Pack d-dWhat 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
Easy dosing: 5 ml per 100 litres once a week
They help maintain clean
Suitable for: Leopard Geckos
water spots
promoting vibrant health and brilliant colouration
simplifying integration into your water circulation system
it replenishes nutrients that are naturally depleted over time
and tablet fish food varieties
Its generous capacity enables mixing different types of food
The video provided below by Hozelock and demonstrates how to change your UV Bulb:
Low voltage and cool running
TetraMin Flakes are a complete and balanced food for all tropical ornamental fish